diff --git a/tests/config_factory.py b/tests/config_factory.py
index 1655c4c1650e48c4ba0d3a611fad6db7509d2dd1..72155d5cd633217cc23a316ea6cb76838c682c6b 100644
--- a/tests/config_factory.py
+++ b/tests/config_factory.py
@@ -38,7 +38,7 @@ def generate_config():
     parser["acmednstiny"]["ACMEDirectory"] = ACMEDIRECTORY
     if CONTACT:
         parser["acmednstiny"]["Contacts"] = "mailto:{0}".format(CONTACT)
-    else:
+    elif "Contacts" in parser:
         del parser["acmednstiny"]["Contacts"]
     parser["TSIGKeyring"]["KeyName"] = TSIGKEYNAME
     parser["TSIGKeyring"]["KeyValue"] = TSIGKEYVALUE