diff --git a/scripts/audit-reviewed-npm-graph.mts b/scripts/audit-reviewed-npm-graph.mts
index 9f82826cfae..2df2f9578e9 100755
--- a/scripts/audit-reviewed-npm-graph.mts
+++ b/scripts/audit-reviewed-npm-graph.mts
@@ -233,13 +233,27 @@ function materializeLockedGraph(
   fs.copyFileSync(sourcePackage, path.join(destination, "package.json"));
   fs.copyFileSync(sourceLock, path.join(destination, "package-lock.json"));
   run("npm", ["ci", "--ignore-scripts", "--omit=dev", "--no-audit", "--no-fund"], destination);
-  verifyInstalledNpmLock({
+  verifyMaterializedLockedGraph({ destination, expectedLockSha256, label: graph.label });
+  return destination;
+}
+
+export function verifyMaterializedLockedGraph({
+  destination,
+  expectedLockSha256,
+  label,
+}: Readonly<{
+  destination: string;
+  expectedLockSha256: string;
+  label: string;
+}>): readonly string[] {
+  const lockfilePath = path.join(destination, "package-lock.json");
+  return verifyInstalledNpmLock({
     expectedLockSha256,
     installRoot: destination,
-    label: graph.label,
-    lockfilePath: path.join(destination, "package-lock.json"),
+    label,
+    lockfilePath,
+    omitDev: true,
   });
-  return destination;
 }
 
 export function selectReviewedLockSha256(
@@ -510,13 +524,7 @@ function main(): void {
     const reports = [
       {
         label: SOURCE_GRAPH.label,
-        result: auditSourceGraph(
-          config,
-          tempRoot,
-          exceptionFile,
-          artifactDirectory,
-          npmVersion,
-        ),
+        result: auditSourceGraph(config, tempRoot, exceptionFile, artifactDirectory, npmVersion),
       },
       {
         label: "reviewed archive graph",
diff --git a/test/reviewed-npm-audit-workflow.test.ts b/test/reviewed-npm-audit-workflow.test.ts
index ab8321ffe81..7dd961423f7 100644
--- a/test/reviewed-npm-audit-workflow.test.ts
+++ b/test/reviewed-npm-audit-workflow.test.ts
@@ -15,6 +15,7 @@ import {
   normalizeOpenClawSignatureAlias,
   parseAuditConfig,
   selectReviewedLockSha256,
+  verifyMaterializedLockedGraph,
 } from "../scripts/audit-reviewed-npm-graph.mts";
 import { verifyInstalledNpmLock } from "../scripts/lib/reviewed-npm-archive.mts";
 import type { AuditPolicyResult } from "../scripts/lib/reviewed-npm-audit.mts";
@@ -435,6 +436,38 @@ esac
     }
   });
 
+  it("accepts an omitted development-only package in a locked production install (#8394)", () => {
+    const root = fs.mkdtempSync(path.join(os.tmpdir(), "nemoclaw-locked-production-"));
+    const lockfilePath = path.join(root, "package-lock.json");
+    const lockSource = `${JSON.stringify(
+      {
+        lockfileVersion: 3,
+        packages: {
+          "": {
+            devDependencies: { "@types/node": "25.5.2" },
+            name: "locked-production-fixture",
+            version: "1.0.0",
+          },
+          "node_modules/@types/node": { dev: true, version: "25.5.2" },
+        },
+      },
+      null,
+      2,
+    )}\n`;
+    try {
+      fs.writeFileSync(lockfilePath, lockSource);
+      expect(
+        verifyMaterializedLockedGraph({
+          destination: root,
+          expectedLockSha256: createHash("sha256").update(lockSource).digest("hex"),
+          label: "locked production fixture",
+        }),
+      ).toEqual([]);
+    } finally {
+      fs.rmSync(root, { recursive: true, force: true });
+    }
+  });
+
   it("rejects an unreviewed registry package before npm ci installs the root production graph (#8116)", () => {
     const root = fs.mkdtempSync(path.join(os.tmpdir(), "nemoclaw-source-graph-registry-"));
     const destination = path.join(root, "materialized");