diff --git a/frontend/pages/group/data/units.vue b/frontend/pages/group/data/units.vue
index 491a72d9c..a6a000b7c 100644
--- a/frontend/pages/group/data/units.vue
+++ b/frontend/pages/group/data/units.vue
@@ -287,7 +287,7 @@ const formItems = computed<AutoFormItems>(() => [
     numberInputConfig: {
       min: 0,
       max: undefined,
-      precision: undefined,
+      precision: null,
       controlVariant: "hidden",
     },
   },