diff --git a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Tests.pm b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Tests.pm
index eef3243eb..94a358848 100644
--- a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Tests.pm
+++ b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Tests.pm
@@ -260,9 +260,9 @@ sub tests {
         },
 
         # Warn if session timeout is lower than 10 minutes
-        timeoutActivity => sub {
+        sessionTimeout => sub {
             return 1 unless ( defined $conf->{timeout} );
-            return ( 1, "Session timeout should be higher than ten minutes" )
+            return ( -1, "Session timeout should be higher than ten minutes" )
                 unless ( $conf->{timeout} > 600
                 || $conf->{timeout} == 0 );
 
@@ -271,7 +271,7 @@ sub tests {
         },
 
         # Error if session Activity Timeout is equal or lower than one minute
-        timeoutActivity => sub {
+        sessionTimeoutActivity => sub {
             return 1 unless ( defined $conf->{timeoutActivity} );
             return ( 0,
                 "Session activity timeout must be higher or equal than one minute"