diff --git a/tests/client/test_streamable_http.py b/tests/client/test_streamable_http.py
index 237316313..8024f258f 100644
--- a/tests/client/test_streamable_http.py
+++ b/tests/client/test_streamable_http.py
@@ -25,7 +25,7 @@ def fastmcp_server():
 
     # Add a tool
     @server.tool
-    async def greet(name: str) -> str:
+    def greet(name: str) -> str:
         """Greet someone by name."""
         return f"Hello, {name}!"