diff --git a/source/Lib/CommonLib/InterPrediction.h b/source/Lib/CommonLib/InterPrediction.h
index bc264074fa3fbb06e24b83ca5e017172efa06189..9e7ba7f3e5b8fa53862b6d9b91d19cf9414fb051 100644
--- a/source/Lib/CommonLib/InterPrediction.h
+++ b/source/Lib/CommonLib/InterPrediction.h
@@ -178,8 +178,8 @@ public:
 #endif
 #endif
 #if JVET_AJ0158_SUBBLOCK_INTER_EXTENSION
-  bool              m_isAffBdofChroma;
-  bool              m_isDeriveOobMask;
+  bool              m_isAffBdofChroma = false;
+  bool              m_isDeriveOobMask = false;
 #endif
 #if JVET_AJ0126_INTER_AMVP_ENHANCEMENT
 public: