diff --git a/common/test/acceptance/tests/helpers.py b/common/test/acceptance/tests/helpers.py
index 58393b16fb..f36f3fa150 100644
--- a/common/test/acceptance/tests/helpers.py
+++ b/common/test/acceptance/tests/helpers.py
@@ -761,7 +761,7 @@ class AcceptanceTest(WebAppTest):
             log_dir /= "shard_{}".format(os.environ["SHARD"])
         log_dir.mkdir_p()
 
-        with (log_dir / '{}.browser.log'.format(self.id())).open('w') as browser_log:
+        with (log_dir / '{}.browser.log'.format(self.id()[:60])).open('w') as browser_log:
             for (message, url, line_no, col_no, stack) in logs:
                 browser_log.write(u"{}:{}:{}: {}\n    {}\n".format(
                     url,