diff --git a/src/service/rooms/timeline.rs b/src/service/rooms/timeline.rs
index 6f224e5a..038f71e9 100644
--- a/src/service/rooms/timeline.rs
+++ b/src/service/rooms/timeline.rs
@@ -786,9 +786,9 @@ impl Service {
             None::<PduEvent>,
             |k, s| auth_events.get(&(k.clone(), s.to_owned())),
         )
-        .map_err(|e| {
-            error!("{:?}", e);
-            Error::bad_database("Auth check failed.")
+        .map_err(|error| {
+            error!(%error, "Auth check failed");
+            Error::BadDatabase("Auth check failed.")
         })?;
 
         if !auth_check {