diff --git a/performance_check b/performance_check
index b8f7905a..29036b16 100755
--- a/performance_check
+++ b/performance_check
@@ -129,7 +129,7 @@ print "\n";
 sub filter_args
 {
     my $args = shift;
-    my $help = `$executable --help`;
+    my $help = `$executable --help=all`;
     my $new_args = [];
     foreach my $arg (@$args)
     {