diff --git a/krb5-1.6.1-pam.patch b/krb5-1.6.1-pam.patch
index 9f7ebcd..a39604f 100644
--- a/krb5-1.6.1-pam.patch
+++ b/krb5-1.6.1-pam.patch
@@ -295,7 +295,7 @@ When enabled, ftpd, krshd, and login.krb5 gain dependence on libpam.
      if (pwd->pw_uid == 0)
 --- /dev/null	2007-06-22 10:29:46.741860805 -0400
 +++ krb5-1.6.1/src/appl/bsd/pam.c	2007-06-22 14:22:10.000000000 -0400
-@@ -0,0 +1,412 @@
+@@ -0,0 +1,414 @@
 +/*
 + * src/appl/bsd/pam.c
 + *
@@ -570,7 +570,9 @@ When enabled, ftpd, krshd, and login.krb5 gain dependence on libpam.
 +				     &appl_pam_non_interactive_converse;
 +		memset(&args, 0, sizeof(args));
 +		args.user = strdup(login_username);
-+		args.password = strdup(non_interactive_password);
++		args.password = non_interactive_password ?
++				strdup(non_interactive_password) :
++				NULL;
 +		appl_pam_conv.appdata_ptr = &args;
 +		ret = pam_start(service, login_username,
 +				&appl_pam_conv, &appl_pamh);