diff --git a/components/style/properties/longhand/column.mako.rs b/components/style/properties/longhand/column.mako.rs
index 575438325a7..6c82cee77f9 100644
--- a/components/style/properties/longhand/column.mako.rs
+++ b/components/style/properties/longhand/column.mako.rs
@@ -251,3 +251,6 @@
         }
     }
 </%helpers:longhand>
+
+${helpers.single_keyword("column-fill", "auto balance",
+                         products="gecko", animatable=False)}