diff --git a/lemonldap-ng-common/t/02-Common-Conf-File.t b/lemonldap-ng-common/t/02-Common-Conf-File.t
index 8dcdf048fd85ec251d0af50b21e20dcf8a1bdb56..2a09730ccced362d9a62c5d2507b066819209a87 100644
--- a/lemonldap-ng-common/t/02-Common-Conf-File.t
+++ b/lemonldap-ng-common/t/02-Common-Conf-File.t
@@ -49,7 +49,7 @@ for ( my $i = 0 ; $i < @test ; $i++ ) {
             open F, 'file t/lmConf-1.json |';
             $_ = join( '', <F> );
             close F;
-            ok( /(ascii|utf-?8)/si, "File is $1 encoded" );
+            ok( /(ascii|utf-?8|json\s?data)/si, "File is $1 encoded" );
             print STDERR "Result: $_\n";
             $count++;
         };