From eb46b3496a7923d5b157b748a94280c858b3c36e Mon Sep 17 00:00:00 2001
From: Willem Dantuma <willem.dantuma@dobs.nl>
Date: Sat, 6 Mar 2021 14:29:01 +0100
Subject: [PATCH] Fix type check

---
 projects/common-map/src/fm-map/effects/map.effects.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/projects/common-map/src/fm-map/effects/map.effects.ts b/projects/common-map/src/fm-map/effects/map.effects.ts
index 8f09c2c..9fb94a2 100644
--- a/projects/common-map/src/fm-map/effects/map.effects.ts
+++ b/projects/common-map/src/fm-map/effects/map.effects.ts
@@ -343,7 +343,7 @@ export class MapEffects {
     mergeMap(([[[action, selected], enabled],overlayLayers]) => {
       let layers = [];      
       if(selected) {
-        if(selected instanceof TemporalItemLayer ) {
+        if(selected && (selected as TemporalItemLayer).selectedItemLayer ) {
            selected=(selected as TemporalItemLayer).selectedItemLayer;
         }
         layers.push(selected);