https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21714
diff --git a/coders/xcf.c b/coders/xcf.c
index 5e33ca9..6437211 100644
--- a/coders/xcf.c
+++ b/coders/xcf.c
@@ -1042,6 +1042,7 @@
     {
       outLayer->image->background_color.alpha_trait=BlendPixelTrait;
       outLayer->image->alpha_trait=BlendPixelTrait;
+      (void) SetImageBackgroundColor(outLayer->image,exception);
     }
 
   InitXCFImage(outLayer,exception);