diff --git a/openbsc/tests/smpp_test_runner.py b/openbsc/tests/smpp_test_runner.py
index 06fb766..2fd144b 100644
--- a/openbsc/tests/smpp_test_runner.py
+++ b/openbsc/tests/smpp_test_runner.py
@@ -18,6 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
+import sys
 import time
 import unittest
 import socket
@@ -25,7 +26,7 @@
 import osmopy.obscvty as obscvty
 import osmopy.osmoutil as osmoutil
 
-confpath = '.'
+confpath = os.path.join(sys.path[0], '..')
 
 class TestVTYBase(unittest.TestCase):