diff --git a/src/components/card/CardSidebarTabDetails.vue b/src/components/card/CardSidebarTabDetails.vue
index 6b330ce3f..30ca71501 100644
--- a/src/components/card/CardSidebarTabDetails.vue
+++ b/src/components/card/CardSidebarTabDetails.vue
@@ -453,6 +453,6 @@ export default {
 <style>
 .mx-datepicker-main.mx-datepicker-popup {
 	/* above the modal */
-	z-index: 9999;
+	z-index: 9999 !important;
 }
 </style>