diff --git a/wetb/prepost/tests/test_hawcstab2.py b/wetb/prepost/tests/test_hawcstab2.py
index a260b8a973b9fd287e02c04fb7ae5104e24312cf..249df2097c7a4167640d420eb3af1a1064981151 100644
--- a/wetb/prepost/tests/test_hawcstab2.py
+++ b/wetb/prepost/tests/test_hawcstab2.py
@@ -11,25 +11,26 @@ from future import standard_library
 standard_library.install_aliases()
 
 import unittest
+import os
 
 import numpy as np
 
 from wetb.prepost.hawcstab2 import results, hs2_control_tuning
 
 
-# path for test data files
-#fpath = os.path.join(os.path.dirname(__file__), 'data/')
-
 class Tests(unittest.TestCase):
     """
     """
 
     def setUp(self):
-        self.fpath_linear = 'data/controller_input_linear.txt'
-        self.fpath_quadratic = 'data/controller_input_quadratic.txt'
+        self.fpath_linear = os.path.join(os.path.dirname(__file__),
+                                         'data/controller_input_linear.txt')
+        self.fpath_quad = os.path.join(os.path.dirname(__file__),
+                                       'data/controller_input_quadratic.txt')
 
     def test_cmb_df(self):
-        fname1 = 'data/campbell_diagram.cmb'
+        fname1 = os.path.join(os.path.dirname(__file__),
+                              'data/campbell_diagram.cmb')
         speed, freq, damp = results().load_cmb(fname1)
 
         df = results().load_cmb_df(fname1)
@@ -69,7 +70,7 @@ class Tests(unittest.TestCase):
     def test_quadratic_file(self):
 
         hs2 = hs2_control_tuning()
-        hs2.read_parameters(self.fpath_quadratic)
+        hs2.read_parameters(self.fpath_quad)
 
         self.assertEqual(hs2.pi_gen_reg1.K, 0.108313E+07)
 
diff --git a/wetb/prepost/tests/test_windIO.py b/wetb/prepost/tests/test_windIO.py
index 67239c76e00e8dbf4684830bcc34f1e5ab8ff089..e6951ab7d2a908446cbb7ff3b4df2601a3136375 100644
--- a/wetb/prepost/tests/test_windIO.py
+++ b/wetb/prepost/tests/test_windIO.py
@@ -11,6 +11,7 @@ from future import standard_library
 standard_library.install_aliases()
 
 import unittest
+import os
 
 import numpy as np
 
@@ -20,7 +21,8 @@ from wetb.prepost.windIO import LoadResults
 class TestsLoadResults(unittest.TestCase):
 
     def setUp(self):
-        self.respath = '../../hawc2/tests/test_files/hawc2io/'
+        self.respath = os.path.join(os.path.dirname(__file__),
+                                    '../../hawc2/tests/test_files/hawc2io/')
         self.fascii = 'Hawc2ascii'
         self.fbin = 'Hawc2bin'