diff --git a/src/app/cartography/components/draggable-selection/draggable-selection.component.ts b/src/app/cartography/components/draggable-selection/draggable-selection.component.ts
index 5c284725..858a1c8c 100644
--- a/src/app/cartography/components/draggable-selection/draggable-selection.component.ts
+++ b/src/app/cartography/components/draggable-selection/draggable-selection.component.ts
@@ -50,7 +50,7 @@ export class DraggableSelectionComponent implements OnInit, OnDestroy {
   ngOnInit() {
     const svg = select(this.svg);
 
-    this.mapSettingsService.isMapLocked.subscribe((value) => {
+    this.mapSettingsSubscription = this.mapSettingsService.isMapLocked.subscribe((value) => {
       this.isMapLocked = value;
     });