diff --git a/crates/ruma-state-res/src/event_auth.rs b/crates/ruma-state-res/src/event_auth.rs
index 5bf5c537..9f685a13 100644
--- a/crates/ruma-state-res/src/event_auth.rs
+++ b/crates/ruma-state-res/src/event_auth.rs
@@ -323,6 +323,7 @@ where
             .map(|mem| mem.membership)
             .unwrap_or(MembershipState::Leave);
 
+            println!("===========incoming event: {:?}  target_user:{target_user:?}  sender:{sender:?}  sender_member_event:{sender_member_event:?}", incoming_event);
         if !valid_membership_change(
             room_version,
             target_user,
@@ -671,6 +672,7 @@ fn valid_membership_change(
             }
         }
         MembershipState::Leave => {
+            println!("==============sender: {}  target_user:{target_user} target_user_current_membership:{:?}", sender, target_user_current_membership);
             if sender == target_user {
                 let allow = target_user_current_membership == MembershipState::Join
                     || target_user_current_membership == MembershipState::Invite