diff --git a/extensions/source/config/ldap/wrapldapinclude.hxx b/extensions/source/config/ldap/wrapldapinclude.hxx
index 9283790f678e..f76f0558e688 100644
--- a/extensions/source/config/ldap/wrapldapinclude.hxx
+++ b/extensions/source/config/ldap/wrapldapinclude.hxx
@@ -30,6 +30,7 @@
 #ifndef LDAP_CALL
 #    define LDAP_CALL
 #endif
+#define CONST_PCHAR_CAST
 #else
 #ifdef WNT
 #include <windows.h>