1 files changed, 1 insertions, 1 deletions
diff --git a/rust/src/auth.rs b/rust/src/auth.rs
index 1f0a1193..1a006ffd 100644
--- a/rust/src/auth.rs
+++ b/rust/src/auth.rs
@@ -101,7 +101,7 @@ impl iron::Error for AuthError {
     fn description(&self) -> &str {
         &self.msg
     }
-    fn cause(&self) -> Option<&iron::Error> {
+    fn cause(&self) -> Option<&dyn iron::Error> {
         None
     }
 }