diff --git a/tcp_tests/utils/gen_test_config.py b/tcp_tests/utils/gen_test_config.py
index 17360ab..6e9c85d 100755
--- a/tcp_tests/utils/gen_test_config.py
+++ b/tcp_tests/utils/gen_test_config.py
@@ -31,7 +31,7 @@
 
 CONFIG_TMPL = OrderedDict([
     ('hardware', {
-        'manager': 'heat',
+        'env_manager': 'heat',
         'current_snapshot': None
     }),
     ('underlay', {