diff --git a/source/Lib/DecoderLib/VLCReader.cpp b/source/Lib/DecoderLib/VLCReader.cpp
index 5bac1bc04e575f4414a9729e63e7fbb4bdd6d88d..2666414be4f064a690da4eed5b2128f9a9e1196e 100644
--- a/source/Lib/DecoderLib/VLCReader.cpp
+++ b/source/Lib/DecoderLib/VLCReader.cpp
@@ -1476,6 +1476,11 @@ void HLSyntaxReader::parseSPS(SPS* pcSPS)
           READ_FLAG(uiCode, "sps_loop_filter_across_subpic_enabled_flag[ i ]");
           pcSPS->setLoopFilterAcrossSubpicEnabledFlag(picIdx, uiCode);
         }
+        else
+        {
+          pcSPS->setSubPicTreatedAsPicFlag(picIdx, 1);
+          pcSPS->setLoopFilterAcrossSubpicEnabledFlag(picIdx, 0);
+        }
       }
     }