1 files changed, 16 insertions, 3 deletions
diff --git a/application/palemoon/base/content/browser-places.js b/application/palemoon/base/content/browser-places.js
index 5c13a43f9..590fe7ecd 100644
--- a/application/palemoon/base/content/browser-places.js
+++ b/application/palemoon/base/content/browser-places.js
@@ -189,11 +189,24 @@ var StarUI = {
     this._itemId = aItemId !== undefined ? aItemId : this._itemId;
     this.beginBatch();
 
-    this.panel.openPopup(aAnchorElement, aPosition);
-
+    let onPanelReady = fn => {
+      let target = this.panel;
+      if (target.parentNode) {
+        // By targeting the panel's parent and using a capturing listener, we
+        // can have our listener called before others waiting for the panel to
+        // be shown (which probably expect the panel to be fully initialized)
+        target = target.parentNode;
+      }
+      target.addEventListener("popupshown", function(event) {
+        fn();
+      }, {"capture": true, "once": true});
+    };
     gEditItemOverlay.initPanel(this._itemId,
-                               { hiddenRows: ["description", "location",
+                               { onPanelReady,
+                                 hiddenRows: ["description", "location",
                                               "loadInSidebar", "keyword"] });
+
+    this.panel.openPopup(aAnchorElement, aPosition);
   },
 
   panelShown: