diff --git a/package-lock.json b/package-lock.json
index bc87a5c7..ae46e5df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "minimatch",
-  "version": "6.1.3",
+  "version": "6.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "minimatch",
-      "version": "6.1.3",
+      "version": "6.1.4",
       "license": "ISC",
       "dependencies": {
         "brace-expansion": "^2.0.1"
diff --git a/package.json b/package.json
index 440eaad7..804a2c30 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
   "name": "minimatch",
   "description": "a glob matcher in javascript",
-  "version": "6.1.3",
+  "version": "6.1.4",
   "repository": {
     "type": "git",
     "url": "git://github.com/isaacs/minimatch.git"
diff --git a/src/index.ts b/src/index.ts
index 9941efbf..78232006 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -760,11 +760,12 @@ export class Minimatch {
         }
 
         case ')': {
-          const plEntry = patternListStack.pop()
+          const plEntry = patternListStack[patternListStack.length - 1]
           if (inClass || !plEntry) {
             re += '\\)'
             continue
           }
+          patternListStack.pop()
 
           // closing an extglob
           clearStateChar()
diff --git a/tap-snapshots/test/basic.js.test.cjs b/tap-snapshots/test/basic.js.test.cjs
index 1af77ff1..e0eb6cd2 100644
--- a/tap-snapshots/test/basic.js.test.cjs
+++ b/tap-snapshots/test/basic.js.test.cjs
@@ -193,6 +193,14 @@ exports[`test/basic.js TAP basic tests > makeRe @(.*|js) 1`] = `
 /^(?:(?=.)(?:\\.[^/]*?|(?!\\.)js))$/
 `
 
+exports[`test/basic.js TAP basic tests > makeRe @(a|a[(])b 1`] = `
+/^(?:(?=.)(?:(?!\\.)a|(?!\\.)a[(])b)$/
+`
+
+exports[`test/basic.js TAP basic tests > makeRe @(a|a[)])b 1`] = `
+/^(?:(?=.)(?:(?!\\.)a|(?!\\.)a[\\)])b)$/
+`
+
 exports[`test/basic.js TAP basic tests > makeRe @(js|.*) 1`] = `
 /^(?:(?=.)(?:(?!\\.)js|\\.[^/]*?))$/
 `
diff --git a/test/patterns.js b/test/patterns.js
index fddbe812..bbef1cc9 100644
--- a/test/patterns.js
+++ b/test/patterns.js
@@ -336,6 +336,9 @@ module.exports = [
   // doesn't start at 0, no dice
   // neg extglobs don't trigger this behavior.
   ['!(.a|js)@(.*)', ['a.js'], { nonegate: true }],
+  () => files=['a(b', 'ab', 'a)b'],
+  ['@(a|a[(])b', ['a(b', 'ab']],
+  ['@(a|a[)])b', ['a)b', 'ab']],
 ]
 
 Object.defineProperty(module.exports, 'files', {