diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index 7c600c91c1..438ff6d8fb 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -258,8 +258,10 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
 end:
     av_frame_free(&in);
 
-    if (ret < 0)
+    if (ret < 0) {
+        av_frame_free(&out);
         return ret;
+    }
     return ff_filter_frame(outlink, out);
 }