diff --git a/test/fixtures/backbone/actual.js b/test/fixtures/backbone/actual.js
new file mode 100644
index 0000000..469a7b6
--- /dev/null
+++ b/test/fixtures/backbone/actual.js
@@ -0,0 +1,28 @@
+//     Backbone.js 1.5.0
+
+//     (c) 2010-2022 Jeremy Ashkenas and DocumentCloud
+//     Backbone may be freely distributed under the MIT license.
+//     For all details and documentation:
+//     http://backbonejs.org
+
+(function(factory) {
+
+  // Set up Backbone appropriately for the environment. Start with AMD.
+  if (typeof define === 'function' && define.amd) {
+    define(['underscore', 'jquery', 'exports'], function($, exports) {
+      // Export global even in AMD case in case this script is loaded with
+      // others that may still expect a global Backbone.
+      root.Backbone = factory(root, exports, $);
+    });
+
+  // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+  } else if (typeof exports !== 'undefined') {
+    require('underscore'), $;
+    try { $ = require('jquery'); } catch (e) {}
+    factory(root, exports, _, $);
+  }
+
+})(function(root, Backbone, _, $) {
+
+  return Backbone;
+});
\ No newline at end of file
diff --git a/test/fixtures/backbone/expected.js b/test/fixtures/backbone/expected.js
new file mode 100644
index 0000000..ac8c6c4
--- /dev/null
+++ b/test/fixtures/backbone/expected.js
@@ -0,0 +1,30 @@
+import { dew as _underscoreDew } from "underscore";
+import { dew as _jqueryDew } from "jquery";
+var exports = {},
+  _dewExec = false;
+var _global = typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : global;
+export function dew() {
+  if (_dewExec) return exports;
+  _dewExec = true;
+  //     Backbone.js 1.5.0
+
+  //     (c) 2010-2022 Jeremy Ashkenas and DocumentCloud
+  //     Backbone may be freely distributed under the MIT license.
+  //     For all details and documentation:
+  //     http://backbonejs.org
+
+  (function (factory) {
+    // Set up Backbone appropriately for the environment. Start with AMD.
+
+    if (true) {
+      _underscoreDew(), $;
+      try {
+        _global.$ = _jqueryDew();
+      } catch (e) {}
+      factory(root, exports, _, $);
+    }
+  })(function (root, Backbone, _, $) {
+    return Backbone;
+  });
+  return exports;
+}
\ No newline at end of file
diff --git a/test/fixtures/umd-require/expected.js b/test/fixtures/umd-require/expected.js
index c617912..297ca43 100644
--- a/test/fixtures/umd-require/expected.js
+++ b/test/fixtures/umd-require/expected.js
@@ -1,7 +1,7 @@
 import { dew as _quickStartDew } from "./quick-start";
 var exports = {};
 (function (factory) {
-  {
+  if (true) {
     var v = factory(null, exports);
     if (v !== undefined) exports = v;
   }
diff --git a/transform-cjs-dew.js b/transform-cjs-dew.js
index ac5ed33..c7db000 100644
--- a/transform-cjs-dew.js
+++ b/transform-cjs-dew.js
@@ -311,17 +311,22 @@ module.exports = function ({ types: t }) {
         if (truthy) {
           if (alternate.node)
             alternate.remove();
-          if (t.isBlockStatement(consequent.node) && consequent.node.body.length === 1 && t.isExpressionStatement(consequent.node.body[0])) {
-            path.parentPath.replaceWith(consequent.node.body[0]);
+          if (t.isBlockStatement(consequent.node)) {
+            if (consequent.node.body.length === 1 && t.isExpressionStatement(consequent.node.body[0])) {
+              path.parentPath.replaceWith(consequent.node.body[0]);
+            }
           }
           else {
             path.parentPath.replaceWith(consequent);
           }
         }
         else {
-          consequent.remove();
-          if (t.isBlockStatement(alternate.node) && alternate.node.body.length === 1 && t.isExpressionStatement(alternate.node.body[0])) {
-            path.parentPath.replaceWith(alternate.node.body[0]);
+          if (consequent.node)
+            consequent.remove();
+          if (t.isBlockStatement(alternate.node)) {
+            if (alternate.node.body.length === 1 && t.isExpressionStatement(alternate.node.body[0])) {
+              path.parentPath.replaceWith(alternate.node.body[0]);
+            }
           }
           else if (alternate.node) {
             path.parentPath.replaceWith(alternate);