diff --git a/debian/changelog b/debian/changelog
index 3365a4b..41f1e23 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,8 @@ nagios-plugins (1.4.15-5) UNRELEASED; urgency=low
     Mitterer
     - Listing the checks of each package
     - Hint added, that nagios-plugins-basic needs more packages (recommands)
+  * Fix error in check_radius when compiling with -Werror=format-security
+    (hardening), thanks Thomas Guyot-Sionnesti - LP: #837085
 
  -- Jan Wagner <waja@cyconet.org>  Wed, 18 May 2011 16:55:55 +0200
 
diff --git a/debian/patches/00list b/debian/patches/00list
index 3828a04..aee5376 100644
--- a/debian/patches/00list
+++ b/debian/patches/00list
@@ -7,3 +7,5 @@
 12_check_snmp_1.4.15_regression.dpatch
 13_check_smtp_greeting.dpatch
 14_check_icmp_multiple_ips.dpatch
+# 15_check_sensors_fault.dpatch
+16_check_raduis_fix_format-security.dpatch
diff --git a/debian/patches/16_check_raduis_fix_format-security.dpatch b/debian/patches/16_check_raduis_fix_format-security.dpatch
new file mode 100644
index 0000000..7f0dcfc
--- /dev/null
+++ b/debian/patches/16_check_raduis_fix_format-security.dpatch
@@ -0,0 +1,24 @@
+#! /bin/sh /usr/share/dpatch/dpatch-run
+## 16_check_raduis_fix_format-security.dpatch
+## From 055b2570eddff9a312dc1445bb7de4a6d7c4887d Mon Sep 17 00:00:00 2001
+## From: Thomas Guyot-Sionnest <dermoth@aei.ca>
+## Date: Tue, 6 Sep 2011 23:20:21 -0400
+## Subject: [PATCH] Make GCC happy
+## X-Git-Url: http://nagiosplug.git.sourceforge.net/git/gitweb.cgi?p=nagiosplug/nagiosplug;a=commitdiff_plain;h=055b2570eddff9a312dc1445bb7de4a6d7c4887d
+##
+## DP: It won't trust us about msg containing no format string, and fail miserably
+## when compiled with -Werror=format-security. (https://bugs.launchpad.net/bugs/837085)
+
+@DPATCH@
+
+--- a/plugins/check_radius.c
++++ b/plugins/check_radius.c
+@@ -211,7 +211,7 @@ main (int argc, char **argv)
+ 	if (result == OK_RC)
+ 		die (STATE_OK, _("Auth OK"));
+ 	(void)snprintf(msg, sizeof(msg), _("Unexpected result code %d"), result);
+-	die (STATE_UNKNOWN, msg);
++	die (STATE_UNKNOWN, "%s", msg);
+ }
+ 
+