1 files changed, 2 insertions, 2 deletions
diff --git a/widget/src/row.rs b/widget/src/row.rs
index 17c49e67..71cf0509 100644
--- a/widget/src/row.rs
+++ b/widget/src/row.rs
@@ -114,7 +114,7 @@ where
 
     fn layout(
         &self,
-        tree: &Tree,
+        tree: &mut Tree,
         renderer: &Renderer,
         limits: &layout::Limits,
     ) -> layout::Node {
@@ -128,7 +128,7 @@ where
             self.spacing,
             self.align_items,
             &self.children,
-            &tree.children,
+            &mut tree.children,
         )
     }