2 files changed, 2 insertions, 2 deletions
diff --git a/widget/src/image.rs b/widget/src/image.rs
index f73ee5d7..3c83c87b 100644
--- a/widget/src/image.rs
+++ b/widget/src/image.rs
@@ -167,7 +167,7 @@ where
 
     fn layout(
         &self,
-        _tree: &Tree,
+        _tree: &mut Tree,
         renderer: &Renderer,
         limits: &layout::Limits,
     ) -> layout::Node {
diff --git a/widget/src/image/viewer.rs b/widget/src/image/viewer.rs
index 1f52bf2f..724d121e 100644
--- a/widget/src/image/viewer.rs
+++ b/widget/src/image/viewer.rs
@@ -105,7 +105,7 @@ where
 
     fn layout(
         &self,
-        _tree: &Tree,
+        _tree: &mut Tree,
         renderer: &Renderer,
         limits: &layout::Limits,
     ) -> layout::Node {