diff --git a/test/alltests.py b/test/alltests.py
index d5eba5c79..dd9a51749 100755
--- a/test/alltests.py
+++ b/test/alltests.py
@@ -7,7 +7,7 @@ def suite():
     s = unittest.TestSuite()
     # get the suite() of every module in this directory begining with test_
     for fname in os.listdir('.'):
-        match = re.match(r'(test_\S+)\.py', fname)
+        match = re.match(r'(test_\S+)\.py$', fname)
         if match:
             s.addTest(__import__(match.group(1)).suite())
     return s