diff --git a/components/MapComponent.js b/components/MapComponent.js
index 1c6a88c89..3ee61613c 100644
--- a/components/MapComponent.js
+++ b/components/MapComponent.js
@@ -444,43 +444,34 @@ await fetchGisStationsStatusDistrict(mapGisStationsStatusDistrictUrl, setGisStat
       }
     }
   }, [map, zoomTrigger]);
+  //--------------------------------------------
 
   useEffect(() => {
-    if (!map) return;
+    if (map) {
+      // Sammle alle Marker in einer einzigen Liste
+      const allMarkers = [
+        ...talasMarkers,
+        ...eciMarkers,
+        ...gsmModemMarkers,
+        ...ciscoRouterMarkers,
+        ...wagoMarkers,
+        ...siemensMarkers,
+        ...otdrMarkers,
+        ...wdmMarkers,
+        ...gmaMarkers,
+        ...messstellenMarkers,
+        ...talasiclMarkers,
+        ...dauzMarkers,
+        ...smsfunkmodemMarkers,
+        ...sonstigeMarkers,
+        ...ulafMarkers,
+      ];
 
-    // Entferne alle vorhandenen Marker
-    if (poiLayerRef.current) {
-      poiLayerRef.current.clearLayers();
-    } else {
-      poiLayerRef.current = new L.LayerGroup().addTo(map);
+      // Überprüfe überlappende Marker und füge das "Plus"-Icon hinzu
+      checkOverlappingMarkers(map, allMarkers, plusRoundIcon);
     }
-    //--------------------------------------------
-    // Füge Marker zu OMS hinzu
-    const allMarkers = [
-      ...talasMarkers,
-      ...eciMarkers,
-      ...gsmModemMarkers,
-      ...ciscoRouterMarkers,
-      ...wagoMarkers,
-      ...siemensMarkers,
-      ...otdrMarkers,
-      ...wdmMarkers,
-      ...gmaMarkers,
-      ...messstellenMarkers,
-      ...talasiclMarkers,
-      ...dauzMarkers,
-      ...smsfunkmodemMarkers,
-      ...sonstigeMarkers,
-      ...ulafMarkers,
-    ];
+  }, [map, talasMarkers, eciMarkers, gsmModemMarkers, ciscoRouterMarkers, wagoMarkers, siemensMarkers, otdrMarkers, wdmMarkers, gmaMarkers, messstellenMarkers, talasiclMarkers, dauzMarkers, smsfunkmodemMarkers, sonstigeMarkers, ulafMarkers]);
 
-    allMarkers.forEach((marker) => {
-      if (!poiLayerRef.current.hasLayer(marker)) {
-        poiLayerRef.current.addLayer(marker); // Füge Marker zur LayerGroup hinzu
-      }
-      oms.addMarker(marker); // Füge Marker zu OMS hinzu
-    });
-  }, [map, talasMarkers, eciMarkers, ciscoRouterMarkers, wagoMarkers, siemensMarkers, otdrMarkers, wdmMarkers, gmaMarkers, messstellenMarkers, talasiclMarkers, dauzMarkers, smsfunkmodemMarkers, sonstigeMarkers, ulafMarkers]);
   //--------------------------------------------
   useEffect(() => {
     const fetchData = async () => {