Index: imagecache_canvasactions.module
===================================================================
--- imagecache_canvasactions.module	(revision 439)
+++ imagecache_canvasactions.module	(working copy)
@@ -131,7 +131,7 @@
   $x = imagecache_actions_keyword_filter($x, $image->info['width'], $layer->info['width']);
   $y = imagecache_actions_keyword_filter($y, $image->info['height'], $layer->info['height']);
 
-  return imageapi_toolkit_invoke('overlay', $image, array($layer, $x, $y, $alpha, $reverse));
+  return imageapi_toolkit_invoke('overlay', $image, array(&$layer, $x, $y, $alpha, $reverse));
 }
 
 /**