diff --git a/packages/cli/src/commands/connect.ts b/packages/cli/src/commands/connect.ts
index 9bee031b..3e4ea1eb 100644
--- a/packages/cli/src/commands/connect.ts
+++ b/packages/cli/src/commands/connect.ts
@@ -138,6 +138,7 @@ export async function cmdEnterAgent(
       const sep = acc.trimEnd().endsWith("&") ? " " : "; ";
       return acc + sep + part;
     }, "");
+    validateLaunchCmd(remoteCmd);
   }
 
   const agentName = agentDef?.name || agentKey;