diff --git a/tests/regression.sh b/tests/regression.sh
index d856f3214e..9e2ccb09de 100755
--- a/tests/regression.sh
+++ b/tests/regression.sh
@@ -650,8 +650,8 @@ do_libav mpg
 # mpegts
 do_libav ts
 
-# swf (decode audio only)
-do_libav swf "-acodec mp2"
+# swf
+do_libav swf -an
 
 # ffm
 do_libav ffm