diff --git a/scss/_variables.scss b/scss/_variables.scss
index dee45b7503..bdf2d62a4a 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -197,11 +197,11 @@ $cyan-900: shade-color($cyan, 8) !default;
 
 // Characters which are escaped by the escape-svg function
 $escaped-characters: (
-  ("<","%3c"),
-  (">","%3e"),
-  ("#","%23"),
-  ("(","%28"),
-  (")","%29"),
+  ("<", "%3c"),
+  (">", "%3e"),
+  ("#", "%23"),
+  ("(", "%28"),
+  (")", "%29"),
 ) !default;
 
 // Options