diff --git a/js/ui/overview.js b/js/ui/overview.js
index 088532adc..fedfea0b9 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -443,17 +443,17 @@ const Overview = new Lang.Class({
         this._inDrag = false;
     },
 
-    beginWindowDrag: function(source) {
-        this.emit('window-drag-begin');
+    beginWindowDrag: function(clone) {
+        this.emit('window-drag-begin', clone);
         this._inDrag = true;
     },
 
-    cancelledWindowDrag: function(source) {
-        this.emit('window-drag-cancelled');
+    cancelledWindowDrag: function(clone) {
+        this.emit('window-drag-cancelled', clone);
     },
 
-    endWindowDrag: function(source) {
-        this.emit('window-drag-end');
+    endWindowDrag: function(clone) {
+        this.emit('window-drag-end', clone);
         this._inDrag = false;
     },
 
diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index ee3b636f5..57a7de418 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -1468,17 +1468,17 @@ const Workspace = new Lang.Class({
         clone.connect('selected',
                       Lang.bind(this, this._onCloneSelected));
         clone.connect('drag-begin',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.beginWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.beginWindowDrag(clone);
                           overlay.hide();
                       }));
         clone.connect('drag-cancelled',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.cancelledWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.cancelledWindowDrag(clone);
                       }));
         clone.connect('drag-end',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.endWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.endWindowDrag(clone);
                           overlay.show();
                       }));
         clone.connect('size-changed',
diff --git a/js/ui/workspaceThumbnail.js b/js/ui/workspaceThumbnail.js
index 9dbc1afda..237998376 100644
--- a/js/ui/workspaceThumbnail.js
+++ b/js/ui/workspaceThumbnail.js
@@ -438,16 +438,16 @@ const WorkspaceThumbnail = new Lang.Class({
                           this.activate(time);
                       }));
         clone.connect('drag-begin',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.beginWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.beginWindowDrag(clone);
                       }));
         clone.connect('drag-cancelled',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.cancelledWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.cancelledWindowDrag(clone);
                       }));
         clone.connect('drag-end',
-                      Lang.bind(this, function(clone) {
-                          Main.overview.endWindowDrag();
+                      Lang.bind(this, function() {
+                          Main.overview.endWindowDrag(clone);
                       }));
         this._contents.add_actor(clone.actor);