diff --git a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
index 15cb4daf0b..18fe439ce5 100644
--- a/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
+++ b/packages/babel-helper-module-transforms/src/normalize-and-load-metadata.js
@@ -288,7 +288,7 @@ function getModuleMetadata(
         // dependency modules are loaded lazily.
         metadata.lazy = !/\./.test(source);
       } else if (Array.isArray(lazy)) {
-        metadata.lazy = lazy.indexOf(source);
+        metadata.lazy = lazy.indexOf(source) !== -1;
       } else if (typeof lazy === "function") {
         metadata.lazy = lazy(source);
       } else {
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-default/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-default/output.js
index a8f74edadb..26619f4369 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-default/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-default/output.js
@@ -1,16 +1,16 @@
 "use strict";
 
-var _white = babelHelpers.interopRequireDefault(require("white"));
+function _white() {
+  const data = babelHelpers.interopRequireDefault(require("white"));
 
-function _black() {
-  const data = babelHelpers.interopRequireDefault(require("black"));
-
-  _black = function () {
+  _white = function () {
     return data;
   };
 
   return data;
 }
 
-console.log(_white.default);
-console.log(_black().default);
+var _black = babelHelpers.interopRequireDefault(require("black"));
+
+console.log(_white().default);
+console.log(_black.default);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-named/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-named/output.js
index 839569975a..90c5f25166 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-named/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-named/output.js
@@ -1,16 +1,16 @@
 "use strict";
 
-var _white = require("white");
+function _white() {
+  const data = require("white");
 
-function _black() {
-  const data = require("black");
-
-  _black = function () {
+  _white = function () {
     return data;
   };
 
   return data;
 }
 
-console.log(_white.foo1);
-console.log(_black().foo2);
+var _black = require("black");
+
+console.log(_white().foo1);
+console.log(_black.foo2);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
index 848b8cb1d3..208fc75d21 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/import-namespace/output.js
@@ -1,16 +1,15 @@
 "use strict";
 
-var foo1 = babelHelpers.interopRequireDefault(require("white"));
+function foo1() {
+  const data = babelHelpers.interopRequireDefault(require("white"));
 
-function foo2() {
-  const data = babelHelpers.interopRequireDefault(require("black"));
-
-  foo2 = function () {
+  foo1 = function () {
     return data;
   };
 
   return data;
 }
 
-console.log(foo1);
-console.log(foo2());
+var foo2 = babelHelpers.interopRequireDefault(require("black"));
+console.log(foo1());
+console.log(foo2);
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-default/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-default/output.js
index 4286297a7d..472469de8f 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-default/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-default/output.js
@@ -6,8 +6,16 @@ Object.defineProperty(exports, "__esModule", {
 Object.defineProperty(exports, "default", {
   enumerable: true,
   get: function () {
-    return _white.default;
+    return _white().default;
   }
 });
 
-var _white = babelHelpers.interopRequireDefault(require("white"));
+function _white() {
+  const data = babelHelpers.interopRequireDefault(require("white"));
+
+  _white = function () {
+    return data;
+  };
+
+  return data;
+}
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-named/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-named/output.js
index 5ef2c0f7bf..14225e43f3 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-named/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-named/output.js
@@ -6,24 +6,24 @@ Object.defineProperty(exports, "__esModule", {
 Object.defineProperty(exports, "named1", {
   enumerable: true,
   get: function () {
-    return _white.named1;
+    return _white().named1;
   }
 });
 Object.defineProperty(exports, "named2", {
   enumerable: true,
   get: function () {
-    return _black().named2;
+    return _black.named2;
   }
 });
 
-var _white = require("white");
+function _white() {
+  const data = require("white");
 
-function _black() {
-  const data = require("black");
-
-  _black = function () {
+  _white = function () {
     return data;
   };
 
   return data;
 }
+
+var _black = require("black");
diff --git a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
index 999143700b..6eaee023ec 100644
--- a/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
+++ b/packages/babel-plugin-transform-modules-commonjs/test/fixtures/lazy-whitelist/reexport-namespace/output.js
@@ -4,22 +4,22 @@ Object.defineProperty(exports, "__esModule", {
   value: true
 });
 exports.namespace2 = exports.namespace1 = void 0;
-var namespace1 = babelHelpers.interopRequireDefault(require("white"));
-exports.namespace1 = namespace1;
 
-function namespace2() {
-  const data = babelHelpers.interopRequireDefault(require("black"));
+function namespace1() {
+  const data = babelHelpers.interopRequireDefault(require("white"));
 
-  namespace2 = function () {
+  namespace1 = function () {
     return data;
   };
 
   return data;
 }
 
-Object.defineProperty(exports, "namespace2", {
+Object.defineProperty(exports, "namespace1", {
   enumerable: true,
   get: function () {
-    return namespace2();
+    return namespace1();
   }
 });
+var namespace2 = babelHelpers.interopRequireDefault(require("black"));
+exports.namespace2 = namespace2;