diff --git a/debian/patches/11_check_dhcp_parsing_option b/debian/patches/11_check_dhcp_parsing_option
new file mode 100644
index 0000000..10700c8
--- /dev/null
+++ b/debian/patches/11_check_dhcp_parsing_option
@@ -0,0 +1,107 @@
+From 466cb79e5224327c29fc6b84a1cec99c2b190c5a Mon Sep 17 00:00:00 2001
+From: Holger Weiss <holger@zedat.fu-berlin.de>
+Date: Fri, 2 Oct 2015 12:18:13 +0200
+Subject: [PATCH] check_dhcp: Fix option parsing
+
+The call_getopt() function didn't always return the correct number of
+processed arguments.  However, since check_dhcp doesn't support
+non-option arguments, the caller doesn't need this number anyway.
+
+Closes #1345.
+---
+ plugins-root/check_dhcp.c | 43 ++++++++++++-------------------------------
+ 1 file changed, 12 insertions(+), 31 deletions(-)
+
+diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
+index 5508d5f..25d4ed4 100644
+--- a/plugins-root/check_dhcp.c
++++ b/plugins-root/check_dhcp.c
+@@ -229,7 +229,7 @@ struct in_addr requested_address;
+ 
+ int process_arguments(int, char **);
+ int call_getopt(int, char **);
+-int validate_arguments(void);
++int validate_arguments(int, int);
+ void print_usage(void);
+ void print_help(void);
+ 
+@@ -1059,29 +1059,19 @@ int get_results(void){
+ 
+ /* process command-line arguments */
+ int process_arguments(int argc, char **argv){
+-	int c;
++	int arg_index;
+ 
+ 	if(argc<1)
+ 		return ERROR;
+ 
+-	c=0;
+-	while((c+=(call_getopt(argc-c,&argv[c])))<argc){
+-
+-		/*
+-		if(is_option(argv[c]))
+-			continue;
+-		*/
+-		}
+-
+-	return validate_arguments();
++	arg_index = call_getopt(argc,argv);
++	return validate_arguments(argc,arg_index);
+         }
+ 
+ 
+ 
+ int call_getopt(int argc, char **argv){
+-	int c=0;
+-	int i=0;
+-
++	extern int optind;
+ 	int option_index = 0;
+ 	static struct option long_options[] =
+ 	{
+@@ -1098,25 +1088,14 @@ int call_getopt(int argc, char **argv){
+ 	};
+ 
+ 	while(1){
+-		c=getopt_long(argc,argv,"+hVvt:s:r:t:i:m:u",long_options,&option_index);
++		int c=0;
+ 
+-		i++;
++		c=getopt_long(argc,argv,"+hVvt:s:r:t:i:m:u",long_options,&option_index);
+ 
+ 		if(c==-1||c==EOF||c==1)
+ 			break;
+ 
+ 		switch(c){
+-		case 'w':
+-		case 'r':
+-		case 't':
+-		case 'i':
+-			i++;
+-			break;
+-		default:
+-			break;
+-		        }
+-
+-		switch(c){
+ 
+ 		case 's': /* DHCP server address */
+ 			resolve_host(optarg,&dhcp_ip);
+@@ -1181,12 +1160,14 @@ int call_getopt(int argc, char **argv){
+ 			break;
+ 		        }
+ 	        }
+-
+-	return i;
++	return optind;
+         }
+ 
+ 
+-int validate_arguments(void){
++int validate_arguments(int argc, int arg_index){
++
++	if(argc-optind > 0)
++		usage(_("Got unexpected non-option argument"));
+ 
+ 	return OK;
+         }
diff --git a/debian/patches/series b/debian/patches/series
index b976f43..87197bc 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,3 +1,4 @@
 02_check_icmp_links
 # commited upstream
 10_sslutils_checksslv3
+11_check_dhcp_parsing_option