diff --git a/orangecontrib/text/guardian.py b/orangecontrib/text/guardian.py
index d7222d41e..a8b1fa6ba 100644
--- a/orangecontrib/text/guardian.py
+++ b/orangecontrib/text/guardian.py
@@ -18,6 +18,7 @@
 import requests
 import math
 import json
+import os
 
 from Orange import data
 
@@ -155,7 +156,8 @@ def search(self, query, from_date=None, to_date=None, max_documents=None,
 
 
 if __name__ == '__main__':
-    credentials = TheGuardianCredentials('test')
+    key = os.getenv('THE_GUARDIAN_API_KEY', 'test')
+    credentials = TheGuardianCredentials(key)
     print(credentials.valid)
     api = TheGuardianAPI(credentials=credentials)
     c = api.search('refugees', max_documents=10)
diff --git a/orangecontrib/text/tests/test_guardian.py b/orangecontrib/text/tests/test_guardian.py
index 483b08348..72289f1e9 100644
--- a/orangecontrib/text/tests/test_guardian.py
+++ b/orangecontrib/text/tests/test_guardian.py
@@ -1,11 +1,12 @@
 import unittest
+import os
 
 from datetime import date, datetime
 
 from orangecontrib.text import guardian
 
 
-API_KEY = 'test'
+API_KEY = os.getenv('THE_GUARDIAN_API_KEY', 'test')
 
 
 class TestCredentials(unittest.TestCase):