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-rw-r--r--modules/block/block.js4
1 files changed, 2 insertions, 2 deletions
diff --git a/modules/block/block.js b/modules/block/block.js
index 4647ee4e0..be284bfc1 100644
--- a/modules/block/block.js
+++ b/modules/block/block.js
@@ -64,8 +64,8 @@ Drupal.behaviors.blockSettingsSummary = {
*/
Drupal.behaviors.blockDrag = {
attach: function (context, settings) {
- // tableDrag is required for this behavior.
- if (typeof Drupal.tableDrag == 'undefined') {
+ // tableDrag is required and we should be on the blocks admin page.
+ if (typeof Drupal.tableDrag == 'undefined' || typeof Drupal.tableDrag.blocks == 'undefined') {
return;
}