diff --git a/gst-libs/gst/video/video-dither.c b/gst-libs/gst/video/video-dither.c
index 430564c9a0..854f9bc6fd 100644
--- a/gst-libs/gst/video/video-dither.c
+++ b/gst-libs/gst/video/video-dither.c
@@ -386,6 +386,7 @@ gst_video_dither_new (GstVideoDitherMethod method, GstVideoDitherFlags flags,
       dither->depth = 16;
       break;
     default:
+      g_slice_free (GstVideoDither, dither);
       g_return_val_if_reached (NULL);
       break;
   }