diff --git a/src/servo/servo.rc b/src/servo/servo.rc
index 7199eb02f35..66fcb0d7158 100755
--- a/src/servo/servo.rc
+++ b/src/servo/servo.rc
@@ -35,7 +35,7 @@ mod image {
 
 mod layout {
     mod style {
-	mod apply;
+        mod apply;
         mod style;
         mod matching;
     }