diff --git a/src/css/injected.scss b/src/css/injected.scss
index bdddd50d..8a5ca554 100644
--- a/src/css/injected.scss
+++ b/src/css/injected.scss
@@ -1690,6 +1690,8 @@ iframe.userHTML {
 
 .programmeNavigator {
   box-shadow: 0 0 40px 0px rgba(0,0,0,0.05);
+  overflow-y: scroll;
+  height: 100%;
 
   .navigator {
     padding: 6px !important;