diff --git a/less/variables.less b/less/variables.less
index b7f6e80d37..9670a902fd 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -7,7 +7,7 @@
 //
 //## Gray and brand colors for use across Bootstrap.
 
-@gray-base:		  #000;
+@gray-base:              #000;
 @gray-darker:            lighten(@gray-base, 13.5%); // #222
 @gray-dark:              lighten(@gray-base, 20%);   // #333
 @gray:                   lighten(@gray-base, 33.5%); // #555