diff --git a/src/components/views/voip/CallPreview.tsx b/src/components/views/voip/CallPreview.tsx
index aa2e71339e..3b7a297841 100644
--- a/src/components/views/voip/CallPreview.tsx
+++ b/src/components/views/voip/CallPreview.tsx
@@ -199,11 +199,11 @@ export default class CallPreview extends React.Component<IProps, IState> {
     }
 
     private onMoving = (event: React.MouseEvent | MouseEvent) => {
+        if (!this.state.moving) return;
+
         event.preventDefault();
         event.stopPropagation();
 
-        if (!this.state.moving) return;
-
         this.lastX = event.pageX - this.initX;
         this.lastY = event.pageY - this.initY;