diff --git a/servers/slapd/result.c b/servers/slapd/result.c
index 9262bfccaf..9535211c8a 100644
--- a/servers/slapd/result.c
+++ b/servers/slapd/result.c
@@ -1431,6 +1431,7 @@ int slap_read_controls(
 	myop = *op;
 	myop.o_bd = NULL;
 	myop.o_res_ber = ber;
+	myop.o_callback = NULL;
 
 	rc = slap_send_search_entry( &myop, rs );
 	if( rc ) return rc;