diff --git a/website/src/lib/components/layer-control/CustomLayers.svelte b/website/src/lib/components/layer-control/CustomLayers.svelte
index 59095b7d..9723dcb6 100644
--- a/website/src/lib/components/layer-control/CustomLayers.svelte
+++ b/website/src/lib/components/layer-control/CustomLayers.svelte
@@ -184,7 +184,11 @@
                 return $tree;
             });
 
-            if ($map) {
+            if (
+                $currentOverlays.overlays['custom'] &&
+                $currentOverlays.overlays['custom'][layerId] &&
+                $map
+            ) {
                 try {
                     $map.removeImport(layerId);
                 } catch (e) {