diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 1ec86a69c24a06e60cb7119978a5c2c45ab7dfda..6d2dffe9ca73cce38e3793d8dfef25fa094d0769 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -24,3 +24,4 @@ Fix the naked style to support content that needs to be rendered.
 #980870 by das-peter: CSS handling during caching broken.
 #970076: Remove old hook_update functions.
 #978768 by linclark: Fix notice with panel fields.
+#977296: Regions with _ such as with two column bricks would not save content.
diff --git a/js/display_editor.js b/js/display_editor.js
index 376cffb10200555c14e8015545f45bd11feba0e2..d7113d90c10d0ef70fd7c96ac9779ab4fe0e8d40 100644
--- a/js/display_editor.js
+++ b/js/display_editor.js
@@ -220,9 +220,7 @@ Drupal.Panels.Draggable = {
 
         val += this.id.replace(draggable.draggableId, '');
       });
-      // Note: _ is replaced with - because Drupal automatically does this
-      // with form ids.
-      var region = this.id.replace(/_/g, '-').replace('panel-pane-', '');
+      var region = this.id.replace('panel-pane-', '');
       $('input[name="panel[pane][' +  region + ']"]').val(val);
     });
     return false;