diff --git a/guacamole/src/main/frontend/src/app/notification/styles/modal.css b/guacamole/src/main/frontend/src/app/notification/styles/modal.css
index a805ee0e1..dade6f285 100644
--- a/guacamole/src/main/frontend/src/app/notification/styles/modal.css
+++ b/guacamole/src/main/frontend/src/app/notification/styles/modal.css
@@ -32,6 +32,7 @@ guac-modal {
     left: 0;
     top: 0;
     z-index: 10;
+    overflow: hidden;
 }
 
 guac-modal .modal-contents {