diff --git a/src/query/insert.rs b/src/query/insert.rs
index 24d52e0f..71471268 100644
--- a/src/query/insert.rs
+++ b/src/query/insert.rs
@@ -45,12 +45,13 @@ where
         let columns_empty = self.columns.is_empty();
         for (idx, col) in <A::Entity as EntityTrait>::Column::iter().enumerate() {
             let av = am.take(col);
+            let av_has_val = av.is_set() || av.is_unchanged();
             if columns_empty {
-                self.columns.push(av.is_set());
-            } else if self.columns[idx] != av.is_set() {
+                self.columns.push(av_has_val);
+            } else if self.columns[idx] != av_has_val {
                 panic!("columns mismatch");
             }
-            if av.is_set() || av.is_unchanged() {
+            if av_has_val {
                 columns.push(col);
                 values.push(av.into_value());
             }