diff --git a/lib/6to5/templates/class-super-constructor-call.js b/lib/6to5/templates/class-super-constructor-call.js
index a7eb7d15dd..3c5be02aab 100644
--- a/lib/6to5/templates/class-super-constructor-call.js
+++ b/lib/6to5/templates/class-super-constructor-call.js
@@ -1,2 +1,2 @@
-SUPER_NAME.call(this, arguments);
+SUPER_NAME.apply(this, arguments);
 
diff --git a/package.json b/package.json
index 2ab0fc93c0..eaec5d67d6 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "6to5",
   "description": "Turn ES6 code into vanilla ES5 with source maps and no runtime",
-  "version": "1.7.7",
+  "version": "1.7.8",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://github.com/sebmck/6to5",
   "repository": {
diff --git a/test/fixtures/classes/constructor/actual.js b/test/fixtures/classes/constructor/actual.js
index 62670ab318..2d26f87082 100644
--- a/test/fixtures/classes/constructor/actual.js
+++ b/test/fixtures/classes/constructor/actual.js
@@ -3,3 +3,9 @@ class Test {
     this.state = "test";
   }
 }
+
+class Foo extends Bar {
+  constructor() {
+    this.state = "test";
+  }
+}
diff --git a/test/fixtures/classes/constructor/expected.js b/test/fixtures/classes/constructor/expected.js
index 718e067e61..73c4d4f672 100644
--- a/test/fixtures/classes/constructor/expected.js
+++ b/test/fixtures/classes/constructor/expected.js
@@ -4,3 +4,21 @@ var Test = function () {
   }
   return Test;
 }();
+
+var Foo = function(Bar) {
+  function Foo() {
+    this.state = "test";
+  }
+
+  Foo.prototype = Object.create(Bar.prototype, {
+    constructor: {
+      value: Foo,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+
+  Foo.__proto__ = Bar;
+  return Foo;
+}(Bar);
diff --git a/test/fixtures/classes/super-class-member-expression/expected.js b/test/fixtures/classes/super-class-member-expression/expected.js
index 627d32a72c..1fbc1187f7 100644
--- a/test/fixtures/classes/super-class-member-expression/expected.js
+++ b/test/fixtures/classes/super-class-member-expression/expected.js
@@ -1,6 +1,6 @@
 var BaseController = function (Chaplin) {
   function BaseController() {
-    Chaplin.Controller.call(this, arguments);
+    Chaplin.Controller.apply(this, arguments);
   }
   BaseController.prototype = Object.create(Chaplin.Controller.prototype, {
     constructor: {
@@ -16,7 +16,7 @@ var BaseController = function (Chaplin) {
 
 var BaseController2 = function (Chaplin) {
   function BaseController2() {
-    Chaplin.Controller.Another.call(this, arguments);
+    Chaplin.Controller.Another.apply(this, arguments);
   }
   BaseController2.prototype = Object.create(Chaplin.Controller.Another.prototype, {
     constructor: {
diff --git a/test/fixtures/classes/super-class-non-identifiers/expected.js b/test/fixtures/classes/super-class-non-identifiers/expected.js
index 92db8b595e..592bf3b6d2 100644
--- a/test/fixtures/classes/super-class-non-identifiers/expected.js
+++ b/test/fixtures/classes/super-class-non-identifiers/expected.js
@@ -1,6 +1,6 @@
 var Q = function(_ref) {
   function Q() {
-    _ref.call(this, arguments);
+    _ref.apply(this, arguments);
   }
 
   Q.prototype = Object.create(_ref.prototype, {
diff --git a/test/fixtures/classes/super-class/expected.js b/test/fixtures/classes/super-class/expected.js
index 02d0a2d361..cd513f41a8 100644
--- a/test/fixtures/classes/super-class/expected.js
+++ b/test/fixtures/classes/super-class/expected.js
@@ -1,6 +1,6 @@
 var Test = function (Foo) {
   function Test() {
-    Foo.call(this, arguments);
+    Foo.apply(this, arguments);
   }
   Test.prototype = Object.create(Foo.prototype, {
     constructor: {