diff --git a/tests/ref/fate/api-mjpeg-codec-param b/tests/ref/fate/api-mjpeg-codec-param
index 178b7c73cb..e5ad2b7656 100644
--- a/tests/ref/fate/api-mjpeg-codec-param
+++ b/tests/ref/fate/api-mjpeg-codec-param
@@ -137,6 +137,7 @@ stream=0, decode=0
     video_size=400x225
     max_pixels=2147483647
     hwaccel_flags=0x00000001
+    extra_hw_frames=-1
 stream=0, decode=1
     b=0
     ab=0
@@ -276,3 +277,4 @@ stream=0, decode=1
     video_size=400x225
     max_pixels=2147483647
     hwaccel_flags=0x00000001
+    extra_hw_frames=-1
diff --git a/tests/ref/fate/api-png-codec-param b/tests/ref/fate/api-png-codec-param
index c6ea7c6296..f04ffa757d 100644
--- a/tests/ref/fate/api-png-codec-param
+++ b/tests/ref/fate/api-png-codec-param
@@ -137,6 +137,7 @@ stream=0, decode=0
     video_size=128x128
     max_pixels=2147483647
     hwaccel_flags=0x00000001
+    extra_hw_frames=-1
 stream=0, decode=1
     b=0
     ab=0
@@ -276,3 +277,4 @@ stream=0, decode=1
     video_size=128x128
     max_pixels=2147483647
     hwaccel_flags=0x00000001
+    extra_hw_frames=-1