diff --git a/source/Lib/CommonLib/CommonDef.h b/source/Lib/CommonLib/CommonDef.h
index 2c2191cf71694f9cb7af3b02e457209e9e48ca54..715ac7fdee68281ec296052aebf6b2371c8803d1 100644
--- a/source/Lib/CommonLib/CommonDef.h
+++ b/source/Lib/CommonLib/CommonDef.h
@@ -365,7 +365,7 @@ static const int    FAST_SKIP_DEPTH =                               2;
 static const double PBINTRA_RATIO     =                             1.1;
 static const int    NUM_MRG_SATD_CAND =                             4;
 static const double MRG_FAST_RATIO    =                             1.25;
-static const int    NUM_AFF_MRG_SATD_CAND =                         1;
+static const int    NUM_AFF_MRG_SATD_CAND =                         2;
 
 static const double AMAXBT_TH32 =                                  15.0;
 static const double AMAXBT_TH64 =                                  30.0;