diff --git a/servers/slapd/connection.c b/servers/slapd/connection.c
index ddaddd1a60..86aea6ca17 100644
--- a/servers/slapd/connection.c
+++ b/servers/slapd/connection.c
@@ -1751,6 +1751,9 @@ static int connection_bind_cleanup_cb( Operation *op, SlapReply *rs )
 {
 	op->o_conn->c_sasl_bindop = NULL;
 
+	ch_free( op->o_callback );
+	op->o_callback = NULL;
+
 	return SLAP_CB_CONTINUE;
 }