diff --git a/debian/patches/0003-fix-manpage-to-match-debian-config.patch b/debian/patches/0003-fix-manpage-to-match-debian-config.patch
new file mode 100644
index 0000000..80b3a35
--- /dev/null
+++ b/debian/patches/0003-fix-manpage-to-match-debian-config.patch
@@ -0,0 +1,28 @@
+From: Leo Antunes <costela@debian.org>
+Date: Mon, 18 Oct 2021 23:57:32 +0200
+Subject: fix manpage to match debian config
+
+---
+ doc/knockd.1.in | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/doc/knockd.1.in b/doc/knockd.1.in
+index b69ca06..28d43ec 100644
+--- a/doc/knockd.1.in
++++ b/doc/knockd.1.in
+@@ -63,13 +63,13 @@ firewall and would like to access it discreetly.
+ 	sequence    = 7000,8000,9000
+ 	seq_timeout = 10
+ 	tcpflags    = syn
+-	command     = /usr/sbin/iptables \-A INPUT \-s %IP% \-\-dport 22 \-j ACCEPT
++	command     = /sbin/iptables \-A INPUT \-s %IP% \-\-dport 22 \-j ACCEPT
+ 
+ [closeSSH]
+ 	sequence    = 9000,8000,7000
+ 	seq_timeout = 10
+ 	tcpflags    = syn
+-	command     = /usr/sbin/iptables \-D INPUT \-s %IP% \-\-dport 22 \-j ACCEPT
++	command     = /sbin/iptables \-D INPUT \-s %IP% \-\-dport 22 \-j ACCEPT
+ 
+ .fi
+ .RE
diff --git a/debian/patches/series b/debian/patches/series
index 61b4508..467675c 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1,2 +1,3 @@
 default_config.patch
 syslog_facility_daemon.patch
+0003-fix-manpage-to-match-debian-config.patch