diff --git a/source/App/EncoderApp/EncAppCfg.cpp b/source/App/EncoderApp/EncAppCfg.cpp
index 9c6ffca793cb8bb5cb42ab1b42221f40d4663881..46988f21da63b51231d43cb641106fbbb73e733a 100644
--- a/source/App/EncoderApp/EncAppCfg.cpp
+++ b/source/App/EncoderApp/EncAppCfg.cpp
@@ -1442,7 +1442,7 @@ bool EncAppCfg::parseCfg( int argc, char* argv[] )
 ("SEISubpicLevelInfoNumSubpics", m_cfgSubpictureLevelInfoSEI.m_numSubpictures, 1, "Number of subpictures for Subpicture Level Information SEI messages")
 ("SEIAnnotatedRegionsFileRoot,-ar", m_arSEIFileRoot, std::string(""), "Annotated region SEI parameters root file name (wo num ext); only the file name base is to be added. Underscore and POC would be automatically addded to . E.g. \"-ar ar\" will search for files ar_0.txt, ar_1.txt, ...")
 ("SEISubpicLevelInfoMaxSublayers", m_cfgSubpictureLevelInfoSEI.m_sliMaxSublayers, 1, "Number of sublayers for Subpicture Level Information SEI messages")
-("SEISubpicLevelInfoSublayerInfoPresentFlag", m_cfgSubpictureLevelInfoSEI.m_sliSublayerInfoPresentFlag, false, "Enable sending of level information for all sublayers in Subpicture Level Information SEI messages")
+("SEISubpicLevelInfoSublayerInfoPresentFlag", m_cfgSubpictureLevelInfoSEI.hasSublayerInfo, false, "Enable sending of level information for all sublayers in Subpicture Level Information SEI messages")
 ("SEISubpicLevelInfoRefLevelFractions", cfg_sliFractions, cfg_sliFractions, "List of subpicture level fractions for Subpicture Level Information SEI messages")
 ("SEISubpicLevelInfoNonSubpicLayersFractions", cfg_sliNonSubpicLayersFractions, cfg_sliNonSubpicLayersFractions, "List of level fractions for non-subpicture layers in Subpicture Level Information SEI messages")
 ("SEISampleAspectRatioInfo", m_sampleAspectRatioInfoSEIEnabled, false, "Control generation of Sample Aspect Ratio Information SEI messages")
@@ -2369,7 +2369,7 @@ bool EncAppCfg::parseCfg( int argc, char* argv[] )
   {
     CHECK (m_numSubPics != m_cfgSubpictureLevelInfoSEI.m_numSubpictures, "NumSubPics must be equal to SEISubpicLevelInfoNumSubpics" );
     CHECK (m_cfgSubpictureLevelInfoSEI.m_sliMaxSublayers != m_maxSublayers, "SEISubpicLevelInfoMaxSublayers must be equal to vps_max_sublayers");
-    if (m_cfgSubpictureLevelInfoSEI.m_sliSublayerInfoPresentFlag)
+    if (m_cfgSubpictureLevelInfoSEI.hasSublayerInfo)
     {
       CHECK(cfg_sliRefLevels.values.size() < m_maxSublayers, "when sliSublayerInfoPresentFlag = 1, the number of reference levels must be greater than or equal to sublayers");
     }
@@ -2377,7 +2377,7 @@ bool EncAppCfg::parseCfg( int argc, char* argv[] )
     {
       m_cfgSubpictureLevelInfoSEI.m_fractions = cfg_sliFractions.values;
       m_cfgSubpictureLevelInfoSEI.m_refLevels = cfg_sliRefLevels.values;
-      if (m_cfgSubpictureLevelInfoSEI.m_sliSublayerInfoPresentFlag)
+      if (m_cfgSubpictureLevelInfoSEI.hasSublayerInfo)
       {
         CHECK((int)cfg_sliRefLevels.values.size() / m_maxSublayers * m_cfgSubpictureLevelInfoSEI.m_numSubpictures * m_cfgSubpictureLevelInfoSEI.m_sliMaxSublayers != cfg_sliFractions.values.size(),
           "when sliSublayerInfoPresentFlag = 1, the number  of subpicture level fractions must be equal to the numer of subpictures times the number of reference levels times the number of sublayers");
@@ -2388,7 +2388,7 @@ bool EncAppCfg::parseCfg( int argc, char* argv[] )
       }
     }
     m_cfgSubpictureLevelInfoSEI.m_nonSubpicLayersFraction = cfg_sliNonSubpicLayersFractions.values;
-    if (m_cfgSubpictureLevelInfoSEI.m_sliSublayerInfoPresentFlag)
+    if (m_cfgSubpictureLevelInfoSEI.hasSublayerInfo)
     {
       CHECK((int)cfg_sliNonSubpicLayersFractions.values.size() != ( cfg_sliRefLevels.values.size() * m_cfgSubpictureLevelInfoSEI.m_numSubpictures ),
         "when sliSublayerInfoPresentFlag = 1, the number  of non-subpicture level fractions must be equal to the numer of reference levels times the number of sublayers");
diff --git a/source/Lib/CommonLib/SEI.cpp b/source/Lib/CommonLib/SEI.cpp
index c58302b59fb7e4ede540f8f803d3e0ca6d54dd64..e5c828dea86cdb0e965a9bb0913f730875384596 100644
--- a/source/Lib/CommonLib/SEI.cpp
+++ b/source/Lib/CommonLib/SEI.cpp
@@ -920,7 +920,7 @@ SEIContentColourVolume::SEIContentColourVolume(const SEIContentColourVolume& sei
 SEISubpictureLevelInfo::SEISubpictureLevelInfo(const SEISubpictureLevelInfo& sei)
 {
   cbrConstraint                = sei.cbrConstraint;
-  m_sliSublayerInfoPresentFlag = sei.m_sliSublayerInfoPresentFlag;
+  hasSublayerInfo              = sei.hasSublayerInfo;
   data                         = sei.data;
 }
 
diff --git a/source/Lib/CommonLib/SEI.h b/source/Lib/CommonLib/SEI.h
index 5527fca3d49a7b6bc0532a5280e0bd650b02b028..691058f066f35e94ecbbc8e8922e802244af0f52 100644
--- a/source/Lib/CommonLib/SEI.h
+++ b/source/Lib/CommonLib/SEI.h
@@ -1064,12 +1064,12 @@ class SEISubpictureLevelInfo : public SEI
 {
 public:
   PayloadType payloadType() const { return PayloadType::SUBPICTURE_LEVEL_INFO; }
-  SEISubpictureLevelInfo() : cbrConstraint(false), m_sliSublayerInfoPresentFlag(false) {}
+  SEISubpictureLevelInfo() {}
   SEISubpictureLevelInfo(const SEISubpictureLevelInfo& sei);
   virtual ~SEISubpictureLevelInfo() {}
 
   bool cbrConstraint = false;
-  bool m_sliSublayerInfoPresentFlag;
+  bool hasSublayerInfo = false;
 
   int&               nonSubpicLayerFraction(int i, int k) { return data[k][i].nonSubpicLayersFraction; }
   const int&         nonSubpicLayerFraction(int i, int k) const { return data[k][i].nonSubpicLayersFraction; }
diff --git a/source/Lib/DecoderLib/SEIread.cpp b/source/Lib/DecoderLib/SEIread.cpp
index cf3a5059cbc65b897a7ff58b6f441fb248aa294c..c3fb4b218ad1cccfcbb731c444f7565e0221d24d 100644
--- a/source/Lib/DecoderLib/SEIread.cpp
+++ b/source/Lib/DecoderLib/SEIread.cpp
@@ -2734,7 +2734,8 @@ void SEIReader::xParseSEISubpictureLevelInfo(SEISubpictureLevelInfo& sei, uint32
     numSubpics = val + 1;
     sei_read_code(pDecodedMessageOutputStream, 3, val, "sli_max_sublayers_minus1");
     maxSublayers = val + 1;
-    sei_read_flag(pDecodedMessageOutputStream,      val,    "sli_sublayer_info_present_flag");        sei.m_sliSublayerInfoPresentFlag = val;
+    sei_read_flag(pDecodedMessageOutputStream, val, "sli_sublayer_info_present_flag");
+    sei.hasSublayerInfo = val;
     while (!isByteAligned())
     {
       sei_read_flag( pDecodedMessageOutputStream,   val,    "sli_alignment_zero_bit" );           CHECK (val != 0, "sli_alignment_zero_bit not equal to zero" );
@@ -2744,7 +2745,7 @@ void SEIReader::xParseSEISubpictureLevelInfo(SEISubpictureLevelInfo& sei, uint32
   sei.resize(numRefLevels, maxSublayers, explicitFractionPresentFlag, numSubpics);
 
   // parsing
-  for (int k = sei.m_sliSublayerInfoPresentFlag ? 0 : sei.maxSublayers() - 1; k < sei.maxSublayers(); k++)
+  for (int k = sei.hasSublayerInfo ? 0 : sei.maxSublayers() - 1; k < sei.maxSublayers(); k++)
   {
     for (int i = 0; i < sei.numRefLevels(); i++)
     {
@@ -2765,7 +2766,7 @@ void SEIReader::xParseSEISubpictureLevelInfo(SEISubpictureLevelInfo& sei, uint32
   }
 
   // update the inference of m_refLevelIdc[][] and m_refLevelFraction[][][]
-  if (!sei.m_sliSublayerInfoPresentFlag)
+  if (!sei.hasSublayerInfo)
   {
     sei.fillSublayers();
   }
diff --git a/source/Lib/EncoderLib/EncCfgParam.h b/source/Lib/EncoderLib/EncCfgParam.h
index af2aea0a9cdab145ba80294b786a8d51b1a588b4..9644544aebe198a7f98d3c102b887dd690c38be2 100644
--- a/source/Lib/EncoderLib/EncCfgParam.h
+++ b/source/Lib/EncoderLib/EncCfgParam.h
@@ -56,13 +56,8 @@ public:
 class CfgSEISubpictureLevel
 {
 public:
-
   CfgSEISubpictureLevel()
-  : m_enabled (false)
-  , m_explicitFraction (false)
-  , m_numSubpictures (1)
-  , m_sliMaxSublayers(1)
-  , m_sliSublayerInfoPresentFlag (false)
+    : m_enabled(false), m_explicitFraction(false), m_numSubpictures(1), m_sliMaxSublayers(1), hasSublayerInfo(false)
   {}
 
   virtual ~CfgSEISubpictureLevel(){}
@@ -74,7 +69,7 @@ public:
   std::vector<int>          m_nonSubpicLayersFraction;
   std::vector<int>          m_fractions;
   int                       m_sliMaxSublayers;
-  bool                      m_sliSublayerInfoPresentFlag;
+  bool                      hasSublayerInfo;
 };
 
 }
diff --git a/source/Lib/EncoderLib/SEIEncoder.cpp b/source/Lib/EncoderLib/SEIEncoder.cpp
index 0370ac8c37d3e24f7ed002a730ce89e4baa99c31..796d33f81a50806d6e97f6cc3d6b8740cb7f4d1b 100644
--- a/source/Lib/EncoderLib/SEIEncoder.cpp
+++ b/source/Lib/EncoderLib/SEIEncoder.cpp
@@ -1285,10 +1285,10 @@ void SEIEncoder::initSEISubpictureLevelInfo(SEISubpictureLevelInfo* sei, const S
 {
   const EncCfgParam::CfgSEISubpictureLevel &cfgSubPicLevel = m_pcCfg->getSubpicureLevelInfoSEICfg();
 
-  sei->m_sliSublayerInfoPresentFlag = cfgSubPicLevel.m_sliSublayerInfoPresentFlag;
+  sei->hasSublayerInfo = cfgSubPicLevel.hasSublayerInfo;
 
   const size_t maxSublayers = cfgSubPicLevel.m_sliMaxSublayers;
-  const size_t numRefLevels = cfgSubPicLevel.m_sliSublayerInfoPresentFlag
+  const size_t numRefLevels = cfgSubPicLevel.hasSublayerInfo
                                 ? cfgSubPicLevel.m_refLevels.size() / cfgSubPicLevel.m_sliMaxSublayers
                                 : cfgSubPicLevel.m_refLevels.size();
   const size_t numSubpics   = cfgSubPicLevel.m_numSubpictures;
@@ -1298,7 +1298,7 @@ void SEIEncoder::initSEISubpictureLevelInfo(SEISubpictureLevelInfo* sei, const S
   sei->resize(numRefLevels, maxSublayers, explicitFractionPresentFlag, numSubpics);
 
   // set sei parameters according to the configured values
-  for (int sublayer = sei->m_sliSublayerInfoPresentFlag ? 0 : sei->maxSublayers() - 1, cnta = 0, cntb = 0;
+  for (int sublayer = sei->hasSublayerInfo ? 0 : sei->maxSublayers() - 1, cnta = 0, cntb = 0;
        sublayer < sei->maxSublayers(); sublayer++)
   {
     for (int level = 0; level < sei->numRefLevels(); level++)
@@ -1316,7 +1316,7 @@ void SEIEncoder::initSEISubpictureLevelInfo(SEISubpictureLevelInfo* sei, const S
   }
 
   // update the inference of m_refLevelIdc[][] and m_refLevelFraction[][][]
-  if (!sei->m_sliSublayerInfoPresentFlag)
+  if (!sei->hasSublayerInfo)
   {
     sei->fillSublayers();
   }
diff --git a/source/Lib/EncoderLib/SEIwrite.cpp b/source/Lib/EncoderLib/SEIwrite.cpp
index fde95adfd73f272e264dc1a045578edf9673f105..64c8231b07651d57012e5a0809b337c40749034b 100644
--- a/source/Lib/EncoderLib/SEIwrite.cpp
+++ b/source/Lib/EncoderLib/SEIwrite.cpp
@@ -1337,14 +1337,14 @@ void SEIWriter::xWriteSEISubpictureLevelInfo(const SEISubpictureLevelInfo& sei)
   {
     xWriteUvlc(sei.numSubpics() - 1, "sli_num_subpics_minus1");
     xWriteCode(sei.maxSublayers() - 1, 3, "sli_max_sublayers_minus1");
-    xWriteFlag(           sei.m_sliSublayerInfoPresentFlag,                   "sli_sublayer_info_present_flag");
+    xWriteFlag(sei.hasSublayerInfo ? 1 : 0, "sli_sublayer_info_present_flag");
     while (!isByteAligned())
     {
       xWriteFlag(       0,                                                    "sli_alignment_zero_bit");
     }
   }
 
-  for (int k = sei.m_sliSublayerInfoPresentFlag ? 0 : sei.maxSublayers() - 1; k < sei.maxSublayers(); k++)
+  for (int k = sei.hasSublayerInfo ? 0 : sei.maxSublayers() - 1; k < sei.maxSublayers(); k++)
   {
     for (int i = 0; i < sei.numRefLevels(); i++)
     {