diff --git a/manifests/commands/definition_rules.pp b/manifests/commands/definition_rules.pp
index c63e6e6..f07f31b 100644
--- a/manifests/commands/definition_rules.pp
+++ b/manifests/commands/definition_rules.pp
@@ -67,8 +67,9 @@ class confdroid_nrpe::commands::definition_rules (
     }
 
     confdroid_nrpe::commands::definitions { 'check_fail2ban':
+      ne_check_name    => 'check_fail2ban',
       ne_check_cmd     => 'check_procs',
-      ne_cmd_argstring => '-c $ARG1$ -C $ARG2$',
+      ne_cmd_argstring => '-c $ARG1$ -a $ARG2$',
     }
   }
 }
diff --git a/manifests/commands/definitions.pp b/manifests/commands/definitions.pp
index 6f54e6d..1ac78c0 100644
--- a/manifests/commands/definitions.pp
+++ b/manifests/commands/definitions.pp
@@ -12,13 +12,19 @@
 #   checks.
 # @param [String] ne_cmd_comment Specify an optional comment for your command
 #   definition
+# @param [String] ne_check_name Specify an optional name for the check, 
+#   if you want to use a  different name than the check_command. 
+#   This is useful if you want to use the same check_command with 
+#   different arguments, e.g. check_procs with different argument strings for 
+#different checks.
 ###############################################################################
 define confdroid_nrpe::commands::definitions (
 
+  String $ne_check_name               = 'check_procs',
   Optional[String] $ne_check_cmd      = undef,
   String $ne_cmd_path                 = '/usr/lib64/nagios/plugins/',
   Optional[String] $ne_cmd_argstring  = undef,
-  String $ne_cmd_comment              = '',
+  Optional[String] $ne_cmd_comment    = undef,
 
 ) {
   $ne_cmd_file      = $confdroid_nrpe::params::ne_cmd_file
diff --git a/templates/cmd_rule.erb b/templates/cmd_rule.erb
index 0b7d5ea..76a327c 100644
--- a/templates/cmd_rule.erb
+++ b/templates/cmd_rule.erb
@@ -2,4 +2,4 @@
 <% unless @ne_cmd_comment.empty? -%>
 # <%= @ne_cmd_comment %>
 <% end -%>
-command[<%= @ne_check_cmd %>]=<%= @ne_cmd_path %><%= @ne_check_cmd %> <%= @ne_cmd_argstring %>
+command[<%= @ne_check_name %>]=<%= @ne_cmd_path %><%= @ne_check_cmd %> <%= @ne_cmd_argstring %>