diff --git a/sass/helpers/spacing.sass b/sass/helpers/spacing.sass
index b9bb19b3..0237c738 100644
--- a/sass/helpers/spacing.sass
+++ b/sass/helpers/spacing.sass
@@ -8,7 +8,7 @@ $spacing-shortcuts: ("margin": "m", "padding": "p") !default
 $spacing-directions: ("top": "t", "right": "r", "bottom": "b", "left": "l") !default
 $spacing-horizontal: "x" !default
 $spacing-vertical: "y" !default
-$spacing-values: ("0": 0, "1": 0.25rem, "2": 0.5rem, "3": 0.75rem, "4": 1rem, "5": 1.5rem, "6": 3rem) !default
+$spacing-values: ("0": 0, "1": 0.25rem, "2": 0.5rem, "3": 0.75rem, "4": 1rem, "5": 1.5rem, "6": 3rem, "auto": auto) !default
 
 @each $property, $shortcut in $spacing-shortcuts
   @each $name, $value in $spacing-values