--- libmu_auth/ldap.c	2012-03-25 14:02:22.000000000 +0300
+++ libmu_auth/ldap.c	2013-03-22 12:29:19.034880845 +0200
@@ -534,7 +534,7 @@
 
   env[0] = "user";
   env[1] = key;
-  env[3] = NULL;
+  env[2] = NULL;
 
   ws.ws_env = env;
   if (mu_wordsplit (filter_pat, &ws,