diff --git a/app/stylesheets/external_tools.sass b/app/stylesheets/external_tools.sass
index 44d80d9f722..97265e76782 100644
--- a/app/stylesheets/external_tools.sass
+++ b/app/stylesheets/external_tools.sass
@@ -34,7 +34,7 @@
       div.resource_selection
         display: block
     &.has_course_navigation
-      div.course_nagivation
+      div.course_navigation
         display: block
     &.has_user_navigation
       div.user_navigation