diff --git a/InvenTree/InvenTree/tests.py b/InvenTree/InvenTree/tests.py
index 1cb382e338..5fadb7b68d 100644
--- a/InvenTree/InvenTree/tests.py
+++ b/InvenTree/InvenTree/tests.py
@@ -279,6 +279,6 @@ class TestVersionNumber(TestCase):
         v = version.inventreeVersionTuple()
         self.assertEqual(len(v), 3)
 
-        s = '.'.join(v)
+        s = '.'.join([str(i) for i in v])
 
         self.assertTrue(s in version.inventreeVersion())