diff --git a/tests/ref/fate/api-mjpeg-codec-param b/tests/ref/fate/api-mjpeg-codec-param
index 178b7c73cb0762268714fbc47e08c0de546046e7..e5ad2b76566f7e063ed9023735cb3bd61904a3a1 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 c6ea7c62967f2bcd8453f006fc55742d8b0c9024..f04ffa757dc2dc709e2069de7301cec2c692e1d3 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