diff --git a/sync/cond_act_sync.yml2 b/sync/cond_act_sync.yml2
index e2e8c10a..981d98e9 100644
--- a/sync/cond_act_sync.yml2
+++ b/sync/cond_act_sync.yml2
@@ -70,7 +70,7 @@ condition sameNegotiationAndPartner
 
 condition fromGroupMember
 ||
-    const char *sender_fpr = session->sync_state.comm_partner.sender_fpr;
+    const char *sender_fpr = session->sync_state.transport.sender_fpr;
     return is_own_key(session, sender_fpr, result);
 ||