diff --git a/src/c3nav/site/static/site/css/c3nav.css b/src/c3nav/site/static/site/css/c3nav.css
index 184a47b7..5b48fd7d 100644
--- a/src/c3nav/site/static/site/css/c3nav.css
+++ b/src/c3nav/site/static/site/css/c3nav.css
@@ -71,6 +71,7 @@ main.map {
     position: relative;
     padding: 0;
     border-top-width: 0;
+    overscroll-behavior: contain;
 }
 
 main.account form {