diff --git a/doc/10-icinga-template-library.md b/doc/10-icinga-template-library.md
index 644d709d6..c3c286201 100644
--- a/doc/10-icinga-template-library.md
+++ b/doc/10-icinga-template-library.md
@@ -3311,7 +3311,8 @@ fail2ban_path           | **Optional.** Specify the path to the tw_cli binary, d
 fail2ban_warning        | **Optional.** Specify a warning threshold, default is 1
 fail2ban_critical       | **Optional.** Specify a critical threshold, default is 2
 fail2ban_socket         | **Optional.** Specify a socket path, default is unset
-fail2ban_perfdata       | **Optional.** If set to true, activate the perfdata output, default value for the plugin is set to true.
+fail2ban_perfdata       | **Optional.** If set to true, activate the perfdata output, default value for the plugin is set to true
+fail2ban_jail           | **Optional.** Specify the name of the specific jail to monitor; omitted by default, i.e. all jails are being monitored.
 
 ### Operating System <a id="plugin-contrib-operating-system"></a>
 
diff --git a/itl/plugins-contrib.d/network-services.conf b/itl/plugins-contrib.d/network-services.conf
index 89554e4cc..28eb42c04 100644
--- a/itl/plugins-contrib.d/network-services.conf
+++ b/itl/plugins-contrib.d/network-services.conf
@@ -113,6 +113,10 @@ object CheckCommand "fail2ban" {
 			set_if = "$fail2ban_perfdata$"
 			description = "If set to true, activate the perfdata output"
 		}
+		"-j" = {
+			value = "$fail2ban_jail$"
+			description = "Specify the name of the specific jail to monitor; omitted by default, i.e. all jails are being monitored"
+		}
 	}
 
 	vars.fail2ban_perfdata = true