diff --git a/tests/providers/slack/hooks/test_slack_webhook.py b/tests/providers/slack/hooks/test_slack_webhook.py
index b1fadcd056033..4edfdfab197e9 100644
--- a/tests/providers/slack/hooks/test_slack_webhook.py
+++ b/tests/providers/slack/hooks/test_slack_webhook.py
@@ -60,16 +60,19 @@ def setUp(self):
         db.merge_conn(
             Connection(
                 conn_id='slack-webhook-default',
+                conn_type='http',
                 extra='{"webhook_token": "your_token_here"}')
         )
         db.merge_conn(
             Connection(
                 conn_id='slack-webhook-url',
+                conn_type='http',
                 host='https://hooks.slack.com/services/T000/B000/XXX')
         )
         db.merge_conn(
             Connection(
                 conn_id='slack-webhook-host',
+                conn_type='http',
                 host='https://hooks.slack.com/services/T000/')
         )