diff --git a/tests/integration/python_modular/tester.py b/tests/integration/python_modular/tester.py
index a0bdb6a..8633fa3 100755
--- a/tests/integration/python_modular/tester.py
+++ b/tests/integration/python_modular/tester.py
@@ -112,6 +112,8 @@ def tester(tests, cmp_method, tolerance, failures, missing):
                                                        print "%-60s OK" % setting_str
                                        else:
                                                if not missing:
+                                                       print a
+                                                       print b
                                                        failed.append(setting_str)
                                                        print "%-60s ERROR" % setting_str
                                except Exception, e: