diff --git a/docshell/test/unit/test_nsIDownloadHistory.js b/docshell/test/unit/test_nsIDownloadHistory.js
index b89e959fa87..0c05763cca8 100644
--- a/docshell/test/unit/test_nsIDownloadHistory.js
+++ b/docshell/test/unit/test_nsIDownloadHistory.js
@@ -91,6 +91,9 @@ function run_test()
     return;
   }
 
+  // Needed to properly setup and shutdown the profile.
+  do_get_profile();
+
   Services.prefs.setBoolPref("places.history.enabled", true);
 
   for (var i = 0; i < tests.length; i++)