diff --git a/centreon/common/ibm/nos/snmp/mode/components/temperature.pm b/centreon/common/ibm/nos/snmp/mode/components/temperature.pm
index 704bf3121..bba2b8448 100644
--- a/centreon/common/ibm/nos/snmp/mode/components/temperature.pm
+++ b/centreon/common/ibm/nos/snmp/mode/components/temperature.pm
@@ -47,6 +47,11 @@ sub check {
     $temperature = $1 if ($1 > $temperature);
     my $critical_mib = ($warning_mib + $2) / 2;
 
+    if ($warning_mib == $critical_mib) { #seen on some chassis !
+        $warning_mib -= 10;
+        $critical_mib -= 5;
+    }
+
     $self->{components}->{temperature}->{total}++;
 
     $self->{output}->output_add(long_msg => 
diff --git a/network/lenovo/flexsystem/snmp/mode/components/temperature.pm b/network/lenovo/flexsystem/snmp/mode/components/temperature.pm
index b590cc986..5c8ac9868 100644
--- a/network/lenovo/flexsystem/snmp/mode/components/temperature.pm
+++ b/network/lenovo/flexsystem/snmp/mode/components/temperature.pm
@@ -60,6 +60,11 @@ sub check {
         $temperature = $1 if ($1 > $temperature);
         my $critical_mib = ($warning_mib + $2) / 2;
 
+        if ($warning_mib == $critical_mib) { #seen on some chassis !
+            $warning_mib -= 10;
+            $critical_mib -= 5;
+        }
+
         $self->{output}->output_add(
             long_msg => sprintf(
                 "temperature switch '%s' is %s C [instance: %s]",