diff --git a/src/components/OverlayFeatureLayers.tsx b/src/components/OverlayFeatureLayers.tsx
index 7876ac8..c538fbb 100644
--- a/src/components/OverlayFeatureLayers.tsx
+++ b/src/components/OverlayFeatureLayers.tsx
@@ -18,7 +18,7 @@ const iconColors = [
   "orange",
   "yellow",
   "violet",
-  "gray",
+  "grey",
   "black",
 ];