diff --git a/lib/variables.less b/lib/variables.less
index df0d2255d7..0a67521dfc 100644
--- a/lib/variables.less
+++ b/lib/variables.less
@@ -13,7 +13,7 @@
 
 // Grays
 @black:                 #000;
-@grayDarker:			#222;
+@grayDarker:            #222;
 @grayDark:              #333;
 @gray:                  #555;
 @grayLight:             #999;