diff --git a/src/ui/frames.c b/src/ui/frames.c
index 093af9216..8a316ce12 100644
--- a/src/ui/frames.c
+++ b/src/ui/frames.c
@@ -2482,7 +2482,7 @@ meta_frames_set_window_background (MetaFrames   *frames,
 {
   MetaFrameFlags flags;
   MetaFrameType type;
-  MetaFrameStyle *style;
+  MetaFrameStyle *style = NULL;
   gboolean frame_exists;
 
   meta_core_get (gdk_display, frame->xwindow,