diff --git a/plugins/provider-acp/src/bridge/bridge.ts b/plugins/provider-acp/src/bridge/bridge.ts
index ff235775d..9458f0db3 100644
--- a/plugins/provider-acp/src/bridge/bridge.ts
+++ b/plugins/provider-acp/src/bridge/bridge.ts
@@ -326,10 +326,9 @@ function emitSessionError(session: AcpThreadSession, message: string): void {
 }
 
 function resolveBridgeProcessArgsForMcpServer(): string[] {
-  const entryPoint = process.argv[1]
-    ? resolve(process.argv[1])
-    : fileURLToPath(import.meta.url);
-  return [...process.execArgv, entryPoint, "--mcp-stdio"];
+  // process.argv[1] is the provider-bridge worker bootstrap, not this module:
+  // the bootstrap imports this artifact, so only import.meta.url names it.
+  return [...process.execArgv, fileURLToPath(import.meta.url), "--mcp-stdio"];
 }
 
 function resolveBridgeProcessEnvForMcpServer(): AcpMcpServerConfig["env"] {