diff --git a/tests/Harmattan/TestScripts/test-perf-mbooster.py b/tests/Harmattan/TestScripts/test-perf-mbooster.py
index c738138..3fc9567 100644
--- a/tests/Harmattan/TestScripts/test-perf-mbooster.py
+++ b/tests/Harmattan/TestScripts/test-perf-mbooster.py
@@ -243,7 +243,7 @@ class launcher_perf_tests (unittest.TestCase):
 
         times = []
 
-        times1, times2 = [], [], []
+        times1, times2 = [], []
 
         for i in xrange(3):
             times1.append(self.perftest_with_launcher(TESTAPP))