1 files changed, 4 insertions, 1 deletions

diff --git a/plugins/check_ldap.c b/plugins/check_ldap.c
index bc7bd44c..845a4f52 100644
--- a/plugins/check_ldap.c
+++ b/plugins/check_ldap.c
@@ -432,6 +432,9 @@ validate_arguments ()
                 set_thresholds(&entries_thresholds,
                         warn_entries, crit_entries);
         }
+        if (ld_passwd==NULL)
+                ld_passwd = getenv("LDAP_PASSWORD");
+
         return OK;
 }
 
@@ -465,7 +468,7 @@ print_help (void)
   printf (" %s\n", "-D [--bind]");
   printf ("    %s\n", _("ldap bind DN (if required)"));
   printf (" %s\n", "-P [--pass]");
-  printf ("    %s\n", _("ldap password (if required)"));
+  printf ("    %s\n", _("ldap password (if required, or set the password through environment variable 'LDAP_PASSWORD')"));
   printf (" %s\n", "-T [--starttls]");
   printf ("    %s\n", _("use starttls mechanism introduced in protocol version 3"));
   printf (" %s\n", "-S [--ssl]");