diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c
index 979cf37cf4bd470809ae33f5011e2332d63fc5eb..5bed4e493fa8b18d14547471d6225a641cdf886a 100644
--- a/libavcodec/vaapi_encode_h264.c
+++ b/libavcodec/vaapi_encode_h264.c
@@ -1323,10 +1323,10 @@ static const AVCodecDefault vaapi_encode_h264_defaults[] = {
     { "b",              "0"   },
     { "bf",             "2"   },
     { "g",              "120" },
-    { "i_qfactor",      "1.0" },
-    { "i_qoffset",      "0.0" },
-    { "b_qfactor",      "1.2" },
-    { "b_qoffset",      "0.0" },
+    { "i_qfactor",      "1"   },
+    { "i_qoffset",      "0"   },
+    { "b_qfactor",      "6/5" },
+    { "b_qoffset",      "0"   },
     { NULL },
 };
 
diff --git a/libavcodec/vaapi_encode_h265.c b/libavcodec/vaapi_encode_h265.c
index 1ef968cfc967b28ebb502acd57b4a65e895e06e9..45f6f6de29bc90a807f5e7dd7569471c9af90260 100644
--- a/libavcodec/vaapi_encode_h265.c
+++ b/libavcodec/vaapi_encode_h265.c
@@ -1341,10 +1341,10 @@ static const AVCodecDefault vaapi_encode_h265_defaults[] = {
     { "b",              "0"   },
     { "bf",             "2"   },
     { "g",              "120" },
-    { "i_qfactor",      "1.0" },
-    { "i_qoffset",      "0.0" },
-    { "b_qfactor",      "1.2" },
-    { "b_qoffset",      "0.0" },
+    { "i_qfactor",      "1"   },
+    { "i_qoffset",      "0"   },
+    { "b_qfactor",      "6/5" },
+    { "b_qoffset",      "0"   },
     { NULL },
 };