diff --git a/libraries/libldap/dntest.c b/libraries/libldap/dntest.c
index d3610d73c9..caa03212c9 100644
--- a/libraries/libldap/dntest.c
+++ b/libraries/libldap/dntest.c
@@ -31,7 +31,7 @@ int
 main( int argc, char *argv[] )
 {
 	int 		rc, i, debug = 0, f2 = 0;
-	unsigned 	flags[ 2 ] = { 0U, LDAP_DN_FORMAT_LDAPV3 };
+	unsigned 	flags[ 2 ] = { 0U, 0 };
 	char		*strin, *str = NULL, buf[ 1024 ];
 	LDAPDN		*dn, *dn2 = NULL;
 
@@ -114,6 +114,9 @@ main( int argc, char *argv[] )
 		}
 	}
 
+	if ( flags[ 1 ] == 0 )
+		flags[ 1 ] = LDAP_DN_FORMAT_LDAPV3;
+
 	f2 = 1;
 
 	rc = ldap_str2dn( strin, &dn, flags[ 0 ] );