diff --git a/src/components/Cell/Cell.tsx b/src/components/Cell/Cell.tsx
index 3baeb64..eb87772 100644
--- a/src/components/Cell/Cell.tsx
+++ b/src/components/Cell/Cell.tsx
@@ -30,7 +30,7 @@ export const Cell = ({
   }
   function backgroundColor() {
     if (cell.conflict === true && hasPentomino === true) return { class: "bg-red-700", style: "" };
-    if (cell.pentomino.pentomino === PENTOMINOES.R) return { class: "bg-gray-600", style: "" };
+    if (cell.pentomino.pentomino.name === PENTOMINOES.R.name) return { class: "bg-gray-600", style: "" };
     if (hasPentomino === true)
       return { class: "", style: displayColors[pentominoColors[cell.pentomino.pentomino.name]] };
     return { class: "bg-gray-400 dark:bg-gray-800", style: "" };
diff --git a/src/components/GameStateProvider/urlConfig.ts b/src/components/GameStateProvider/urlConfig.ts
index 48abf41..0276482 100644
--- a/src/components/GameStateProvider/urlConfig.ts
+++ b/src/components/GameStateProvider/urlConfig.ts
@@ -464,7 +464,7 @@ export function deserializeUrl(s: string): UrlConfig {
       x: x,
       y: y,
     };
-    ret.colors[p.p.toUpperCase()] = decodeColor(r.color, p.p, legacy);
+    if (p.p.toUpperCase() !== PENTOMINOES.R.name) ret.colors[p.p.toUpperCase()] = decodeColor(r.color, p.p, legacy);
   });
   return ret;
 }