diff --git a/test/test_python_cscripts.py b/test/test_python_cscripts.py
index a5ab2c0..d867631 100755
--- a/test/test_python_cscripts.py
+++ b/test/test_python_cscripts.py
@@ -166,6 +166,15 @@ def test(installed=False, debug=False):
     ver = sys.version.split()[0]
     if ver >= '2.6.0':
 
+        # Check for VHEFITS environment variable
+        if 'VHEFITS' in os.environ:
+            
+            # If existent unset for the test cases
+            # Since Python is executed in a subprocess
+            # this will not impact the environment variable in
+            # the parent shell
+            del os.environ['VHEFITS']
+            
         # Allocate test suites
         suite_csfindobs  = test_csfindobs.Test()
         suite_csiactcopy = test_csiactcopy.Test()