diff --git a/packages/widgets/src/beszel-system-grid/component.tsx b/packages/widgets/src/beszel-system-grid/component.tsx
index 63c6f785a..60d367d8f 100644
--- a/packages/widgets/src/beszel-system-grid/component.tsx
+++ b/packages/widgets/src/beszel-system-grid/component.tsx
@@ -356,7 +356,7 @@ export default function BeszelSystemGridWidget({
   const board = useRequiredBoard();
   const colorScheme = useComputedColorScheme("light");
   const opacity = board.opacity / 100;
-  const bgBase: Record<string, string> = { dark: "57, 57, 57", light: "246, 247, 248" };
+  const bgBase: Record<"light" | "dark", string> = { dark: "57, 57, 57", light: "246, 247, 248" };
   const backgroundColor = `rgba(${bgBase[colorScheme]}, ${opacity})`;
 
   const { data: results = [] } = clientApi.widget.beszel.getSystems.useQuery(