diff --git a/src/systemc/tests/verify.py b/src/systemc/tests/verify.py
index 5558634b9b..14fc8fa48c 100755
--- a/src/systemc/tests/verify.py
+++ b/src/systemc/tests/verify.py
@@ -198,7 +198,7 @@ class Checker(object):
         self.tag = tag
 
     def check(self):
-        with open(self.text) as test_f, open(self.ref) as ref_f:
+        with open(self.test) as test_f, open(self.ref) as ref_f:
             return test_f.read() == ref_f.read()
 
 def tagged_filt(tag, num):