diff --git a/zero-ui-core/src/var.rs b/zero-ui-core/src/var.rs
index 3a472d42c..9e05dca39 100644
--- a/zero-ui-core/src/var.rs
+++ b/zero-ui-core/src/var.rs
@@ -979,7 +979,7 @@ impl<'a, T: VarValue> VarModify<'a, T> {
             }
             Cow::Owned(v) => {
                 let eq = self.current_value == &v;
-                if self.update || eq {
+                if self.update || !eq {
                     return (true, if eq { None } else { Some(v) }, self.tags);
                 }
             }