diff --git a/share/static/css/main.css b/share/static/css/main.css
index 6ab1d95ed9..b61e453608 100644
--- a/share/static/css/main.css
+++ b/share/static/css/main.css
@@ -42,6 +42,7 @@ div.ngcp-modal .help-inline {
 .tooltip {
     /* make sure to put the tooltip over the modal */
     z-index: 2000 !important;
+    position: fixed !important;
 }
 
 div.ui-datepicker {