diff --git a/src/time/src/mcp_server_time/server.py b/src/time/src/mcp_server_time/server.py
index 2cb0926134..2c9bd632fd 100644
--- a/src/time/src/mcp_server_time/server.py
+++ b/src/time/src/mcp_server_time/server.py
@@ -213,7 +213,7 @@ async def call_tool(
             ]
 
         except Exception as e:
-            raise ValueError(f"Error processing mcp-server-time query: {str(e)}")
+            raise McpError(ErrorData(code=INVALID_PARAMS, message=f"Error processing time query: {str(e)}"))
 
     options = server.create_initialization_options()
     async with stdio_server() as (read_stream, write_stream):