diff --git a/src/js/game/themes/light.json b/src/js/game/themes/light.json
index d0a1e9bb..4837574c 100644
--- a/src/js/game/themes/light.json
+++ b/src/js/game/themes/light.json
@@ -14,7 +14,7 @@
 
         "chunkOverview": {
             "empty": "#a6afbb",
-            "filled": "c5ccd6"
+            "filled": "#c5ccd6"
         }
     },