diff --git a/interface/web/themes/default/assets/stylesheets/ispconfig.css b/interface/web/themes/default/assets/stylesheets/ispconfig.css
index b614bebdf5ed1fe4e60fca4a4b1ba4e59e6fb924..deef1abf03ce5493610e712579aa7f3efc7e78c3 100644
--- a/interface/web/themes/default/assets/stylesheets/ispconfig.css
+++ b/interface/web/themes/default/assets/stylesheets/ispconfig.css
@@ -115,7 +115,7 @@ body {
     padding: 0 12px;
     height: 70px;
     border-bottom-style: solid;
-    botder-bottom-width: 2px;
+    border-bottom-width: 2px;
     transition: all ease 500ms; }
   #main-navigation .icon {
     font-size: 32px; }