diff --git a/src/ibp/mouseController.js b/src/ibp/mouseController.js
index c531b746d..8b5cbff1d 100644
--- a/src/ibp/mouseController.js
+++ b/src/ibp/mouseController.js
@@ -124,7 +124,12 @@ class MouseController extends Eventful {
 				this.trigger(this.events.__Pan, { dx, dy, oldX, oldY, newX: this._x, newY: this._y });
 				return true;
 			} else if (this.isAllowDragging) {
-				this.eventTarget.drift(dx, dy, e);
+				if (this.eventTarget._type === deviceType.Clock || this.eventTarget._type === deviceType.Elevator) {
+					this.eventTarget.grouper.drift(dx, dy, e);
+				} else {
+					this.eventTarget.drift(dx, dy, e);
+
+				}
 			}
 		} else {
 			return true;