diff --git a/playground/src/utils/theme.ts b/playground/src/utils/theme.ts
index 968f56d..2cdaf20 100644
--- a/playground/src/utils/theme.ts
+++ b/playground/src/utils/theme.ts
@@ -76,6 +76,7 @@ export const theme = {
   divider: {
     width: 4,
     background: "",
+    dividerBackground: "",
     containerWidth: 8,
   },
   editor: {