diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index 9db1700ffb..ec20e3f3a9 100644
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -397,7 +397,7 @@ static bool init_allowed_encryption_methods(PGconn *conn);
 static int	encryption_negotiation_failed(PGconn *conn);
 #endif
 static bool connection_failed(PGconn *conn);
-static bool select_next_encryption_method(PGconn *conn, bool negotiation_failure);
+static bool select_next_encryption_method(PGconn *conn, bool have_valid_connection);
 static PGPing internal_ping(PGconn *conn);
 static void pqFreeCommandQueue(PGcmdQueueEntry *queue);
 static bool fillPGconn(PGconn *conn, PQconninfoOption *connOptions);