diff --git a/README.md b/README.md
index 8e7d2a44..a0513d00 100644
--- a/README.md
+++ b/README.md
@@ -104,6 +104,7 @@ let sseTransport = SSEClientTransport(
     endpoint: URL(string: "http://localhost:8080/sse")! // Ensure endpoint is SSE-specific if needed
 )
 try await client.connect(transport: sseTransport)
+try await client.initialize()
 ```
 
 ### Tools
@@ -773,4 +774,4 @@ see the [GitHub Releases page](https://github.com/modelcontextprotocol/swift-sdk
 This project is licensed under the MIT License.
 
 [mcp]: https://modelcontextprotocol.io
-[mcp-spec-2025-03-26]: https://modelcontextprotocol.io/specification/2025-03-26
\ No newline at end of file
+[mcp-spec-2025-03-26]: https://modelcontextprotocol.io/specification/2025-03-26
diff --git a/Sources/MCP/Base/Transports/SSEClientTransport.swift b/Sources/MCP/Base/Transports/SSEClientTransport.swift
index 27158728..bd944d30 100644
--- a/Sources/MCP/Base/Transports/SSEClientTransport.swift
+++ b/Sources/MCP/Base/Transports/SSEClientTransport.swift
@@ -416,7 +416,18 @@ import Logging
 
             // For relative paths, preserve the scheme, host, and port
             let pathToUse = path.starts(with: "/") ? path : "/\(path)"
-            components.path = pathToUse
+            
+            // Parse the path to separate path and query components
+            if let pathComponents = URLComponents(string: pathToUse) {
+                components.path = pathComponents.path
+                // Preserve any query parameters from the endpoint path
+                if let queryItems = pathComponents.queryItems {
+                    components.queryItems = queryItems
+                }
+            } else {
+                components.path = pathToUse
+            }
+            
             return components.url
         }
     }