Fix bug.

app/assets/javascripts/bulletin/wpex.min.js

@@ -2439,8 +2439,8 @@ var wpex = {};
 						layoutMode: $container.data('layout-mode') ? $container.data('layout-mode') : 'masonry', 
 						filter: activeItems 
 					})
-					$grid.on( 'arrangeComplete', function(){
-						/* something event to run after isotope */
+					$grid.on( 'layoutComplete', function(){
+						self.equalHeights();
 					});
 				})
 			})