diff --git a/power-plants-bkw.json b/power-plants-bkw.json
index 5e99402..8f3ed24 100644
--- a/power-plants-bkw.json
+++ b/power-plants-bkw.json
@@ -11,5 +11,9 @@
             "way[\"operator\"~\"BKW\"];",
             "relation[\"operator\"~\"BKW\"];)"
         ]
+    },
+    "feature": {
+        "markerSymbol": "",
+        "listMarkerSymbol": ""
     }
 }