Index: src/wp-includes/js/plupload/wp-plupload.js
===================================================================
--- src/wp-includes/js/plupload/wp-plupload.js	(revision 27931)
+++ src/wp-includes/js/plupload/wp-plupload.js	(working copy)
@@ -272,7 +272,9 @@
 			up.refresh();
 		});
 
-		this.init();
+		this.uploader.bind( 'PostInit', function() {
+			self.init();
+		});
 	};
 
 	// Adds the 'defaults' and 'browser' properties.