diff --git a/lib/ldap.c b/lib/ldap.c
index 729b4e2abc716f39a4e6687f6f4fc14bc5bbf816..9c877e19fc60a461e4ab8f2485c7dbf1517d188f 100644
--- a/lib/ldap.c
+++ b/lib/ldap.c
@@ -160,7 +160,7 @@ static int DynaOpen(const char **mod_name)
   return (libldap != NULL);
 
 #else
-  (void) mod_name;
+  *mod_name = "";
   return (0);
 #endif
 }