diff --git a/setup.py b/setup.py
index ef95ebb6..93ec3685 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ import httpie
 
 
 if sys.argv[-1] == 'test':
-    os.system('python tests.py')
+    os.system('python tests/tests.py')
     sys.exit()