diff --git a/inventory/group_vars/taskotron-dev b/inventory/group_vars/taskotron-dev
index 2245d88673..e659394b7e 100644
--- a/inventory/group_vars/taskotron-dev
+++ b/inventory/group_vars/taskotron-dev
@@ -22,7 +22,7 @@ master_dir: /home/buildmaster/master
 master_user: buildmaster
 external_hostname: taskotron.dev.fedoraproject.org
 resultsdb_url: http://resultsdb-dev01.qa.fedoraproject.org/resultsdb_api/api/v1.0
-resultsdb_frontend_url: http://resultsdb-dev01.qa.fedoraproject.org/resultsdb
+resultsdb_frontend_url: http://resultsdb-dev01.qa.fedoraproject.org/resultsdb/
 resultsdb_external_url: https://taskotron-dev.fedoraproject.org/resultsdb_api/
 resultsdb_endpoint: resultsdb
 resultsdb_api_endpoint: resultsdb_api