diff --git a/packages/amis-ui/scss/components/_picker-columns.scss b/packages/amis-ui/scss/components/_picker-columns.scss
index 8c45a66d1..0804797e3 100644
--- a/packages/amis-ui/scss/components/_picker-columns.scss
+++ b/packages/amis-ui/scss/components/_picker-columns.scss
@@ -135,6 +135,6 @@
 
   &-columnItemis-selected {
     font-size: 18px;
-    color: --PickerColumns-title-color;
+    color: var(--PickerColumns-title-color);
   }
 }