diff --git a/tools/tinderbox/tinder-defaults.pl b/tools/tinderbox/tinder-defaults.pl
index be7c605b5e2d..8e299204dd09 100644
--- a/tools/tinderbox/tinder-defaults.pl
+++ b/tools/tinderbox/tinder-defaults.pl
@@ -61,7 +61,7 @@ $XpcomGlueTestTimeout             = 15;
 $CodesizeTestTimeout              = 900;     # seconds
 $CodesizeTestType                 = "auto";  # {"auto"|"base"}
 $LayoutPerformanceTestTimeout     = 1200;  # entire test, seconds
-$QATestTimeout                    = 60;  # entire test, seconds
+$QATestTimeout                    = 500;   # entire test, seconds
 $LayoutPerformanceTestPageTimeout = 30000; # each page, ms
 $StartupPerformanceTestTimeout    = 60;    # seconds
 $XULWindowOpenTestTimeout	      = 150;   # seconds