diff --git a/lib/rules/no-underscore-dangle.js b/lib/rules/no-underscore-dangle.js
index 1468198ac4e..cac594e1004 100644
--- a/lib/rules/no-underscore-dangle.js
+++ b/lib/rules/no-underscore-dangle.js
@@ -205,7 +205,7 @@ module.exports = {
             const identifier = node.key.name;
             const isMethod = node.type === "MethodDefinition" || node.type === "Property" && node.method;
 
-            if (typeof identifier !== "undefined" && enforceInMethodNames && isMethod && hasTrailingUnderscore(identifier)) {
+            if (typeof identifier !== "undefined" && enforceInMethodNames && isMethod && hasTrailingUnderscore(identifier) && !isAllowed(identifier)) {
                 context.report({
                     node,
                     messageId: "unexpectedUnderscore",
diff --git a/tests/lib/rules/no-underscore-dangle.js b/tests/lib/rules/no-underscore-dangle.js
index afc9813673d..4baef3e82da 100644
--- a/tests/lib/rules/no-underscore-dangle.js
+++ b/tests/lib/rules/no-underscore-dangle.js
@@ -37,6 +37,7 @@ ruleTester.run("no-underscore-dangle", rule, {
         { code: "class foo { onClick_() { } }", parserOptions: { ecmaVersion: 6 } },
         { code: "const o = { _onClick() { } }", parserOptions: { ecmaVersion: 6 } },
         { code: "const o = { onClick_() { } }", parserOptions: { ecmaVersion: 6 } },
+        { code: "const o = { _onClick() { } }", options: [{ allow: ["_onClick"], enforceInMethodNames: true }], parserOptions: { ecmaVersion: 6 } },
         { code: "const o = { _foo: 'bar' }", parserOptions: { ecmaVersion: 6 } },
         { code: "const o = { foo_: 'bar' }", parserOptions: { ecmaVersion: 6 } },
         { code: "this.constructor._bar", options: [{ allowAfterThisConstructor: true }] }