diff --git a/scripts/install-dirigent-openclaw.mjs b/scripts/install-dirigent-openclaw.mjs
index 9375e5a..25fade3 100755
--- a/scripts/install-dirigent-openclaw.mjs
+++ b/scripts/install-dirigent-openclaw.mjs
@@ -67,8 +67,12 @@ function runOpenclaw(args, { allowFail = false } = {}) {
 
 function getJson(pathKey) {
   const out = runOpenclaw(["config", "get", pathKey, "--json"], { allowFail: true });
-  if (out == null || out === "") return undefined;
-  return JSON.parse(out);
+  if (out == null || out === "" || out === "undefined") return undefined;
+  try {
+    return JSON.parse(out);
+  } catch {
+    return undefined;
+  }
 }
 
 function setJson(pathKey, value) {