diff --git a/tests/e2e/mcp/mcp_client.py b/tests/e2e/mcp/mcp_client.py
index c4c6a317364..c6bb720eecc 100644
--- a/tests/e2e/mcp/mcp_client.py
+++ b/tests/e2e/mcp/mcp_client.py
@@ -58,7 +58,7 @@ class McpDenied:
     message: str
 
 
-type ListToolsOutcome = McpToolNames | McpDenied
+ListToolsOutcome = McpToolNames | McpDenied
 
 
 @dataclass(frozen=True, slots=True)