diff --git a/plugins/Sourceforge.py b/plugins/Sourceforge.py
index 79730b4c8..f70600f0e 100644
--- a/plugins/Sourceforge.py
+++ b/plugins/Sourceforge.py
@@ -246,7 +246,7 @@ class Sourceforge(callbacks.PrivmsgCommandAndRegexp):
     _sfTitle = re.compile(r'Detail:(\d+) - ([^<]+)</title>', re.I)
     _linkType = re.compile(r'(\w+ \w+|\w+): Tracker Detailed View', re.I)
     def sfSnarfer(self, irc, msg, match):
-        r"https?://(?:www\.)?(?:sourceforge|sf)\.net/tracker/(?:index\.php)?\?(?:&?func=detail|&?aid=\d+|&?group_id=\d+|&?atid=\d+)+"
+        r"https?://(?:www\.)?(?:sourceforge|sf)\.net/tracker/(?:index\.php)?\?(?:&?func=detail|&?aid=\d+|&?group_id=\d+|&?atid=\d+){4}"
         if not self.snarfer:
             return
         url = match.group(0)
diff --git a/test/test_Sourceforge.py b/test/test_Sourceforge.py
index a430fb1fc..6f7f7243e 100644
--- a/test/test_Sourceforge.py
+++ b/test/test_Sourceforge.py
@@ -79,6 +79,8 @@ class SourceforgeTest(PluginTestCase, PluginDocumentation):
         # test that it works
         self.assertNotError('https://sourceforge.net/tracker/?'
                             'func=detail&atid=105470&aid=827260&group_id=5470')
+        self.assertNoResponse('https://sourceforge.net/tracker/?'\
+            'group_id=58965&atid=489447')
 
     def testDisablesfsnarfer(self):
         self.assertRegexp('http://sourceforge.net/tracker/index.php?'\