1 files changed, 3 insertions, 0 deletions
diff --git a/Bugzilla.pm b/Bugzilla.pm
index 6331c60fe..eb1c2f8ea 100644
--- a/Bugzilla.pm
+++ b/Bugzilla.pm
@@ -469,6 +469,9 @@ sub usage_mode {
         elsif ($newval == USAGE_MODE_TEST) {
             $class->error_mode(ERROR_MODE_TEST);
         }
+        elsif ($newval == USAGE_MODE_REST) {
+            $class->error_mode(ERROR_MODE_REST);
+        }
         else {
             ThrowCodeError('usage_mode_invalid',
                            {'invalid_usage_mode', $newval});