diff --git a/src/public/app/widgets/buttons/calendar.js b/src/public/app/widgets/buttons/calendar.js
index da4312793..388f8cb61 100644
--- a/src/public/app/widgets/buttons/calendar.js
+++ b/src/public/app/widgets/buttons/calendar.js
@@ -128,7 +128,10 @@ export default class CalendarWidget extends RightDropdownButtonWidget {
             else {
                 toastService.showError(t("calendar.cannot_find_day_note"));
             }
-        });        
+        });  
+        
+        // Prevent dismissing the calendar popup by clicking on an empty space inside it.
+        this.$dropdownContent.on("click", (e) => e.stopPropagation());
     }
 
     manageFirstDayOfWeek() {