diff --git a/packages/grafana-ui/src/components/Card/CardContainer.tsx b/packages/grafana-ui/src/components/Card/CardContainer.tsx
index 3f81e998dc2..09a2a25df79 100644
--- a/packages/grafana-ui/src/components/Card/CardContainer.tsx
+++ b/packages/grafana-ui/src/components/Card/CardContainer.tsx
@@ -67,7 +67,7 @@ export const CardContainer = ({
 };
 
 export const getCardContainerStyles = stylesFactory(
-  (theme: GrafanaTheme2, disabled = false, disableHover = false, isSelected = false) => {
+  (theme: GrafanaTheme2, disabled = false, disableHover = false, isSelected) => {
     const isSelectable = isSelected !== undefined;
 
     return {