diff --git a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-decorators/ignore-abstract-methods/output.js b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-decorators/ignore-abstract-methods/output.js
index d461c60407d7..72350c9679d4 100644
--- a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-decorators/ignore-abstract-methods/output.js
+++ b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-decorators/ignore-abstract-methods/output.js
@@ -22,7 +22,7 @@ function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) ||
 
 function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
 
-function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
 
 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
 
diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index be16b2e2f5b5..5f7ced05a8ec 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -1044,7 +1044,7 @@ helpers.unsupportedIterableToArray = helper("7.9.0")`
     if (typeof o === "string") return arrayLikeToArray(o, minLen);
     var n = Object.prototype.toString.call(o).slice(8, -1);
     if (n === "Object" && o.constructor) n = o.constructor.name;
-    if (n === "Map" || n === "Set") return Array.from(n);
+    if (n === "Map" || n === "Set") return Array.from(o);
     if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
       return arrayLikeToArray(o, minLen);
   }
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
index 0726678f0efa..c6933130a9d1 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/regression/T7199/output.js
@@ -8,7 +8,7 @@ function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArra
 
 function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
 
-function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
 
 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
 
diff --git a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-defaults-not-ie/output.js b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-defaults-not-ie/output.js
index 6aabfbbbdabb..fee7b6fb93ab 100644
--- a/packages/babel-preset-env/test/fixtures/preset-options/browserslist-defaults-not-ie/output.js
+++ b/packages/babel-preset-env/test/fixtures/preset-options/browserslist-defaults-not-ie/output.js
@@ -4,7 +4,7 @@ function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArra
 
 function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
 
-function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
 
 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
 
diff --git a/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js
index 8deec063a326..1eecdd7fcc05 100644
--- a/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js
+++ b/packages/babel-preset-env/test/fixtures/sanity/block-scoping-for-of/output.js
@@ -8,7 +8,7 @@ function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
 
 function _createForOfIteratorHelper(o) { if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
 
-function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
 
 function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }