diff --git a/mcp/src/main/java/io/modelcontextprotocol/client/transport/StdioClientTransport.java b/mcp/src/main/java/io/modelcontextprotocol/client/transport/StdioClientTransport.java
index 009d415e0..bceaffbb8 100644
--- a/mcp/src/main/java/io/modelcontextprotocol/client/transport/StdioClientTransport.java
+++ b/mcp/src/main/java/io/modelcontextprotocol/client/transport/StdioClientTransport.java
@@ -130,7 +130,7 @@ public Mono<Void> connect(Function<Mono<JSONRPCMessage>, Mono<JSONRPCMessage>> h
 				this.process = processBuilder.start();
 			}
 			catch (IOException e) {
-				throw new RuntimeException("Failed to start process with command: " + fullCommand, e);
+				throw new RuntimeException("Failed to start process with command: " + params.getCommand(), e);
 			}
 
 			// Validate process streams