diff --git a/src/layout/widgets.rs b/src/layout/widgets.rs
index 4fbbb3a..262cd28 100644
--- a/src/layout/widgets.rs
+++ b/src/layout/widgets.rs
@@ -37,7 +37,10 @@ impl Widgets {
     pub fn get_dyn_dynamic(&self, id: &Id) -> WidgetWrapper<'_> {
         // SAFETY: must guarantee no other mutable references to this widget exist
         // done through the borrow variable
-        let data: &mut WidgetData = unsafe { std::mem::transmute(self.map.get(id)) };
+        #[allow(mutable_transmutes)]
+        let data = unsafe {
+            std::mem::transmute::<&WidgetData, &mut WidgetData>(self.map.get(id).unwrap())
+        };
         if data.borrowed {
             panic!("tried to mutably borrow the same widget twice");
         }