diff -Nur openldap-2.4.45+dfsg.o/debian/patches/99_preferredDeliveryMethod_syntax.patch openldap-2.4.45+dfsg/debian/patches/99_preferredDeliveryMethod_syntax.patch
--- openldap-2.4.45+dfsg.o/debian/patches/99_preferredDeliveryMethod_syntax.patch	1970-01-01 01:00:00.000000000 +0100
+++ openldap-2.4.45+dfsg/debian/patches/99_preferredDeliveryMethod_syntax.patch	2019-07-29 14:41:34.792000000 +0200
@@ -0,0 +1,27 @@
+--- openldap-2.4.45+dfsg.orig/servers/slapd/schema_init.c
++++ openldap-2.4.45+dfsg/servers/slapd/schema_init.c
+@@ -5943,18 +5943,18 @@ again:
+ 	if( BER_BVISEMPTY( &tmp ) ) return LDAP_SUCCESS;
+ 
+ 	while( !BER_BVISEMPTY( &tmp ) && ( tmp.bv_val[0] == ' ' ) ) {
+-		tmp.bv_len++;
+-		tmp.bv_val--;
++		tmp.bv_len--;
++		tmp.bv_val++;
+ 	}
+ 	if( !BER_BVISEMPTY( &tmp ) && ( tmp.bv_val[0] == '$' ) ) {
+-		tmp.bv_len++;
+-		tmp.bv_val--;
++		tmp.bv_len--;
++		tmp.bv_val++;
+ 	} else {
+ 		return LDAP_INVALID_SYNTAX;
+ 	}
+ 	while( !BER_BVISEMPTY( &tmp ) && ( tmp.bv_val[0] == ' ' ) ) {
+-		tmp.bv_len++;
+-		tmp.bv_val--;
++		tmp.bv_len--;
++		tmp.bv_val++;
+ 	}
+ 
+ 	goto again;
diff -Nur openldap-2.4.45+dfsg.o/debian/patches/series openldap-2.4.45+dfsg/debian/patches/series
--- openldap-2.4.45+dfsg.o/debian/patches/series	2019-07-29 12:01:09.548000000 +0200
+++ openldap-2.4.45+dfsg/debian/patches/series	2019-07-29 14:41:49.804000000 +0200
@@ -1000,0 +1000,1 @@
+99_preferredDeliveryMethod_syntax.patch