diff --git a/scripts/lib/local-heavy-check-runtime.mjs b/scripts/lib/local-heavy-check-runtime.mjs
index 50137944fb5..ebf90e3a10a 100644
--- a/scripts/lib/local-heavy-check-runtime.mjs
+++ b/scripts/lib/local-heavy-check-runtime.mjs
@@ -85,6 +85,7 @@ export function applyLocalOxlintPolicy(args, env, hostResources) {
 
   insertBeforeSeparator(nextArgs, "--type-aware");
   insertBeforeSeparator(nextArgs, "--tsconfig", "tsconfig.oxlint.json");
+  insertBeforeSeparator(nextArgs, "--allow", "eslint/no-underscore-dangle");
   if (
     !hasFlag(nextArgs, "--report-unused-disable-directives") &&
     !hasFlag(nextArgs, "--report-unused-disable-directives-severity")
diff --git a/test/scripts/local-heavy-check-runtime.test.ts b/test/scripts/local-heavy-check-runtime.test.ts
index a1d92111fad..01e6c1b1294 100644
--- a/test/scripts/local-heavy-check-runtime.test.ts
+++ b/test/scripts/local-heavy-check-runtime.test.ts
@@ -232,6 +232,8 @@ describe("local-heavy-check-runtime", () => {
       "--type-aware",
       "--tsconfig",
       "tsconfig.oxlint.json",
+      "--allow",
+      "eslint/no-underscore-dangle",
       "--report-unused-disable-directives-severity",
       "error",
       "--threads=1",
@@ -245,6 +247,8 @@ describe("local-heavy-check-runtime", () => {
       "--type-aware",
       "--tsconfig",
       "tsconfig.oxlint.json",
+      "--allow",
+      "eslint/no-underscore-dangle",
       "--report-unused-disable-directives-severity",
       "error",
       "--threads=1",
@@ -259,6 +263,8 @@ describe("local-heavy-check-runtime", () => {
       "--type-aware",
       "--tsconfig",
       "tsconfig.oxlint.json",
+      "--allow",
+      "eslint/no-underscore-dangle",
       "--report-unused-disable-directives-severity",
       "error",
     ]);
@@ -277,6 +283,8 @@ describe("local-heavy-check-runtime", () => {
       "--type-aware",
       "--tsconfig",
       "tsconfig.oxlint.json",
+      "--allow",
+      "eslint/no-underscore-dangle",
       "--report-unused-disable-directives-severity",
       "error",
     ]);