diff --git a/app/assets/sass/layout/_navigation.scss b/app/assets/sass/layout/_navigation.scss
index 84c9caf..3d32d71 100644
--- a/app/assets/sass/layout/_navigation.scss
+++ b/app/assets/sass/layout/_navigation.scss
@@ -6,7 +6,7 @@
 .navigation {
 
     // General styling (for all viewport widths)
-    @extend .clearfix;
+    @include clearfix();
     @extend .container;
 
     min-height:     $navbar-height;