diff --git a/robot/e2e/wf18_container_clone.robot b/robot/e2e/wf18_container_clone.robot
index fa95ae4c6..709a4faac 100644
--- a/robot/e2e/wf18_container_clone.robot
+++ b/robot/e2e/wf18_container_clone.robot
@@ -30,7 +30,7 @@ ${PROJECT_PREFIX}    local/wf18-clone-proj
 WF18 Suite Setup
   [Documentation]    E2E Suite Setup plus unique suffix generation and dynamic
   ...    actor selection for WF18 tests.
-  [Tags]    tdd_issue tdd_issue_4188
+  [Tags]    tdd_issue    tdd_issue_4188
   E2E Suite Setup
   # Initialise the workspace so CLI commands work.
   ${init}=    Run CleverAgents Command    init --force --yes