diff --git a/src/core/debug.rs b/src/core/debug.rs
index 71e23801..864279e0 100644
--- a/src/core/debug.rs
+++ b/src/core/debug.rs
@@ -100,7 +100,8 @@ pub fn trap() {
 
 #[must_use]
 pub fn panic_str(p: &Box<dyn Any + Send>) -> &'static str {
-	p.downcast_ref::<&str>()
+	(**p)
+		.downcast_ref::<&str>()
 		.copied()
 		.unwrap_or_default()
 }