diff --git a/app/assets/stylesheets/common/main_layout.css.scss b/app/assets/stylesheets/common/main_layout.css.scss
index 9bf72c0d2..f64c44d55 100644
--- a/app/assets/stylesheets/common/main_layout.css.scss
+++ b/app/assets/stylesheets/common/main_layout.css.scss
@@ -57,6 +57,6 @@ div#more-links {
   width: 8em;
   line-height: 1.3em;
   padding: 0.2em 0.6em;
-  @include box-shadow(2px, 2px, 2px, #ccc);
+  @include box-shadow(2px 2px 2px #ccc);
 }
  
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