diff --git a/scripts/install.mjs b/scripts/install.mjs
index 95a835c..ec543d8 100644
--- a/scripts/install.mjs
+++ b/scripts/install.mjs
@@ -191,7 +191,7 @@ function installManagedMonitor(openclawPath) {
   mkdirSync(monitorDestDir, { recursive: true });
   try {
     exec(`git clone --branch ${shellEscape(options.monitorBranch)} ${shellEscape(monitorRepo)} ${shellEscape(tmpDir)}`, { silent: !options.verbose });
-    exec(`go build -o ${shellEscape(binaryPath)} .`, { cwd: tmpDir, silent: !options.verbose });
+    exec(`go build -o ${shellEscape(binaryPath)} ./cmd/harborforge-monitor`, { cwd: tmpDir, silent: !options.verbose });
     chmodSync(binaryPath, 0o755);
     logOk(`Managed monitor installed → ${binaryPath} (branch hint: ${options.monitorBranch})`);
     return binaryPath;