diff --git a/centreon-plugins/centreon/plugins/script_custom.pm b/centreon-plugins/centreon/plugins/script_custom.pm
index 1b19c609b..9cd912d50 100644
--- a/centreon-plugins/centreon/plugins/script_custom.pm
+++ b/centreon-plugins/centreon/plugins/script_custom.pm
@@ -128,7 +128,11 @@ sub init {
     }
 
     if (defined($options{help})) {
-        $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        if (defined($self->{mode_name}) && $self->{mode_name} ne '') {
+            $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        } else {
+            $self->{options}->add_help(package => $self->{dynmode_name}, sections => 'MODE');
+        }
         $self->{options}->display_help();
         $self->{output}->option_exit();
     }
diff --git a/centreon-plugins/centreon/plugins/script_simple.pm b/centreon-plugins/centreon/plugins/script_simple.pm
index b9a9863d7..4abae8c32 100644
--- a/centreon-plugins/centreon/plugins/script_simple.pm
+++ b/centreon-plugins/centreon/plugins/script_simple.pm
@@ -107,7 +107,11 @@ sub init {
     }
 
     if (defined($options{help})) {
-        $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        if (defined($self->{mode_name}) && $self->{mode_name} ne '') {
+            $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        } else {
+            $self->{options}->add_help(package => $self->{dynmode_name}, sections => 'MODE');
+        }
         $self->{options}->display_help();
         $self->{output}->option_exit();
     }
diff --git a/centreon-plugins/centreon/plugins/script_snmp.pm b/centreon-plugins/centreon/plugins/script_snmp.pm
index 9dfa4fa7f..26ece81f5 100644
--- a/centreon-plugins/centreon/plugins/script_snmp.pm
+++ b/centreon-plugins/centreon/plugins/script_snmp.pm
@@ -112,7 +112,11 @@ sub init {
     }
 
     if (defined($options{help})) {
-        $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        if (defined($self->{mode_name}) && $self->{mode_name} ne '') {
+            $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        } else {
+            $self->{options}->add_help(package => $self->{dynmode_name}, sections => 'MODE');
+        }
         $self->{options}->display_help();
         $self->{output}->option_exit();
     }
diff --git a/centreon-plugins/centreon/plugins/script_sql.pm b/centreon-plugins/centreon/plugins/script_sql.pm
index e6b03df4c..6e6a324cb 100644
--- a/centreon-plugins/centreon/plugins/script_sql.pm
+++ b/centreon-plugins/centreon/plugins/script_sql.pm
@@ -129,7 +129,11 @@ sub init {
     }
 
     if (defined($options{help})) {
-        $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        if (defined($self->{mode_name}) && $self->{mode_name} ne '') {
+            $self->{options}->add_help(package => $self->{modes}{$self->{mode_name}}, sections => 'MODE');
+        } else {
+            $self->{options}->add_help(package => $self->{dynmode_name}, sections => 'MODE');
+        }
         $self->{options}->display_help();
         $self->{output}->option_exit();
     }