diff --git a/testApp/Alltest2.py b/testApp/Alltest2.py
index a0383f6..8b661cc 100755
--- a/testApp/Alltest2.py
+++ b/testApp/Alltest2.py
@@ -30,7 +30,7 @@ error_cases=[]
 
 FNULL = open(os.devnull, 'w')
 
-with open('./c2h6_diffusion.csv', 'rb') as csvfile:
+with open(test_set_file, 'rb') as csvfile:
     spamreader = csv.reader(csvfile) # , delimiter=' ', quotechar='|')
 
     header = spamreader.next()