app/assets/stylesheets/spree/backend/shared/_tables.scss in spree_backend-2.2.2 vs app/assets/stylesheets/spree/backend/shared/_tables.scss in spree_backend-2.2.3

@@ -103,9 +103,10 @@
       border-right: none;
     }
 
     .handle {
       @extend [class^="icon-"]:before;
+      @extend .fa;
       @extend .fa-bars;
       cursor: move;
     }
 
   }