diff --git a/libavfilter/vf_overlay_opencl.c b/libavfilter/vf_overlay_opencl.c
index 46ce42df84..ee8381dfee 100644
--- a/libavfilter/vf_overlay_opencl.c
+++ b/libavfilter/vf_overlay_opencl.c
@@ -250,6 +250,7 @@ fail_kernel_arg:
            kernel_arg, cle);
     err = AVERROR(EIO);
 fail:
+    av_frame_free(&output);
     return err;
 }