diff --git a/src/knownhosts.c b/src/knownhosts.c
index 006289f0..3c42a640 100644
--- a/src/knownhosts.c
+++ b/src/knownhosts.c
@@ -850,6 +850,7 @@ ssh_session_get_known_hosts_entry(ssh_session session,
                                              session->opts.knownhosts,
                                              server_pubkey,
                                              pentry);
+    SAFE_FREE(host_port);
 
     return found;
 }