diff --git a/source/Lib/DecoderLib/VLCReader.cpp b/source/Lib/DecoderLib/VLCReader.cpp
index 4eb2afbab5acf94be7d067f87f7862dc519431f3..4ea9c83899681b5285a211846d086d7d3e850da8 100644
--- a/source/Lib/DecoderLib/VLCReader.cpp
+++ b/source/Lib/DecoderLib/VLCReader.cpp
@@ -913,7 +913,7 @@ void HLSyntaxReader::parseSPS(SPS* pcSPS)
   READ_FLAG(uiCode, "intra_only_constraint_flag");               pcSPS->setIntraOnlyConstraintFlag(uiCode > 0 ? true : false);
   READ_CODE(4, uiCode, "max_bitdepth_constraint_idc");           pcSPS->setMaxBitDepthConstraintIdc(uiCode);
   READ_CODE(2, uiCode, "max_chroma_format_constraint_idc");      pcSPS->setMaxChromaFormatConstraintIdc(uiCode);
-  READ_FLAG(uiCode, "frame_constraint_flag");                    pcSPS->setFrameConstraintFlag(uiCode > 0 ? true : false);
+  READ_FLAG(uiCode, "frame_only_constraint_flag");               pcSPS->setFrameConstraintFlag(uiCode > 0 ? true : false);
   READ_FLAG(uiCode, "no_qtbtt_dual_tree_intra constraint_flag"); pcSPS->setNoQtbttDualTreeIntraConstraintFlag(uiCode > 0 ? true : false);
   READ_FLAG(uiCode, "no_cclm_constraint_flag");                  pcSPS->setNoCclmConstraintFlag(uiCode > 0 ? true : false);
   READ_FLAG(uiCode, "no_sao_constraint_flag");                   pcSPS->setNoSaoConstraintFlag(uiCode > 0 ? true : false);
diff --git a/source/Lib/EncoderLib/VLCWriter.cpp b/source/Lib/EncoderLib/VLCWriter.cpp
index 4bed5da8cd9df34c803d4c6e993743e860aae4f1..4a06099bc569cdb2387821a45645ef809345af47 100644
--- a/source/Lib/EncoderLib/VLCWriter.cpp
+++ b/source/Lib/EncoderLib/VLCWriter.cpp
@@ -647,7 +647,7 @@ void HLSWriter::codeSPS( const SPS* pcSPS )
   WRITE_FLAG(pcSPS->getIntraOnlyConstraintFlag() ? 1 : 0, "intra_only_constraint_flag");
   WRITE_CODE(pcSPS->getMaxBitDepthConstraintIdc(), 4, "max_bitdepth_constraint_idc");
   WRITE_CODE(pcSPS->getMaxChromaFormatConstraintIdc(), 2, "max_chroma_format_constraint_idc");
-  WRITE_FLAG(pcSPS->getFrameConstraintFlag() ? 1 : 0, "frame_constraint_flag");
+  WRITE_FLAG(pcSPS->getFrameConstraintFlag() ? 1 : 0, "frame_only_constraint_flag");
   WRITE_FLAG(pcSPS->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "no_qtbtt_dual_tree_intra constraint_flag");
   WRITE_FLAG(pcSPS->getNoCclmConstraintFlag() ? 1 : 0, "no_cclm_constraint_flag");
   WRITE_FLAG(pcSPS->getNoSaoConstraintFlag() ? 1 : 0, "no_sao_constraint_flag");