diff --git a/tests/test_smbclient_os.py b/tests/test_smbclient_os.py
index 1ffb40a2..c9fbfd78 100644
--- a/tests/test_smbclient_os.py
+++ b/tests/test_smbclient_os.py
@@ -42,6 +42,7 @@
 HAS_SSPI = False
 try:
     import sspi
+    HAS_SSPI = True
 except ImportError:
     pass