diff --git a/libraries/libldap/init.c b/libraries/libldap/init.c
index 820c951e95..1a5d1ef7b9 100644
--- a/libraries/libldap/init.c
+++ b/libraries/libldap/init.c
@@ -386,6 +386,7 @@ void ldap_int_initialize( int *dbglvl )
 	gopts.ldo_defport = LDAP_PORT;
 
 	gopts.ldo_refhoplimit = LDAP_DEFAULT_REFHOPLIMIT;
+	gopts.ldo_rebindproc = NULL;
 
 	LDAP_BOOL_ZERO(&gopts);