diff --git a/packages/geoview-core/src/core/components/common/responsive-grid.tsx b/packages/geoview-core/src/core/components/common/responsive-grid.tsx
index 94b70d31cce..b7a08604459 100644
--- a/packages/geoview-core/src/core/components/common/responsive-grid.tsx
+++ b/packages/geoview-core/src/core/components/common/responsive-grid.tsx
@@ -9,7 +9,7 @@ interface ResponsiveGridProps extends GridProps {
 interface ResponsiveGridPanelProps extends GridProps {
   children: ReactNode;
   isLayersPanelVisible: boolean;
-  sxProps?: SxProps;
+  sxProps?: SxProps | undefined;
 }
 
 /**