diff --git a/src/themes/default/globals/site.variables b/src/themes/default/globals/site.variables
index a40d52efe..e10faa20a 100644
--- a/src/themes/default/globals/site.variables
+++ b/src/themes/default/globals/site.variables
@@ -18,7 +18,7 @@
       Base Sizes
 --------------------*/
 
-@emSize:     : 14px;
+@emSize      : 14px;
 @fontSize    : 14px;
 
 /*-------------------