diff --git a/src/library_browser.js b/src/library_browser.js
index 2d1e3819de602..8ede8e1f7e1e4 100644
--- a/src/library_browser.js
+++ b/src/library_browser.js
@@ -124,7 +124,7 @@ var LibraryBrowser = {
 
       var imagePlugin = {};
       imagePlugin['canHandle'] = function imagePlugin_canHandle(name) {
-        return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
+        return !Module['noImageDecoding'] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
       };
       imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) {
         var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
@@ -160,7 +160,7 @@ var LibraryBrowser = {
 
       var audioPlugin = {};
       audioPlugin['canHandle'] = function audioPlugin_canHandle(name) {
-        return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
+        return !Module['noAudioDecoding'] && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
       };
       audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
         var done = false;
diff --git a/src/library_dylink.js b/src/library_dylink.js
index 211f4030ce7e6..b0f672a9578e9 100644
--- a/src/library_dylink.js
+++ b/src/library_dylink.js
@@ -19,7 +19,7 @@ var LibraryDylink = {
     var wasmPlugin = {
       'promiseChainEnd': Promise.resolve(),
       'canHandle': (name) => {
-        return !Module.noWasmDecoding && name.endsWith('.so')
+        return !Module['noWasmDecoding'] && name.endsWith('.so')
       },
       'handle': (byteArray, name, onload, onerror) => {
         // loadWebAssemblyModule can not load modules out-of-order, so rather
diff --git a/src/library_sdl.js b/src/library_sdl.js
index bb38f12db4463..160849a38bf17 100644
--- a/src/library_sdl.js
+++ b/src/library_sdl.js
@@ -2701,7 +2701,7 @@ var LibrarySDL = {
       var raw = preloadedAudios[filename];
       if (!raw) {
         if (raw === null) err('Trying to reuse preloaded audio, but freePreloadedMediaOnUse is set!');
-        if (!Module.noAudioDecoding) warnOnce('Cannot find preloaded audio ' + filename);
+        if (!Module['noAudioDecoding']) warnOnce('Cannot find preloaded audio ' + filename);
 
         // see if we can read the file-contents from the in-memory FS
         try {
diff --git a/src/shell.js b/src/shell.js
index bb50bb8206f18..43b809f925f8b 100644
--- a/src/shell.js
+++ b/src/shell.js
@@ -25,15 +25,9 @@ var Module = moduleArg;
 #elif USE_CLOSURE_COMPILER
 // if (!Module)` is crucial for Closure Compiler here as it will otherwise replace every `Module` occurrence with a string
 var /** @type {{
-  noImageDecoding: boolean,
-  noAudioDecoding: boolean,
-  noWasmDecoding: boolean,
   canvas: HTMLCanvasElement,
   ctx: Object,
-  dataFileDownloads: Object,
-  preloadResults: Object,
   useWebGL: boolean,
-  expectedDataFileDownloads: number,
 }}
  */ Module;
 if (!Module) /** @suppress{checkTypes}*/Module = {"__EMSCRIPTEN_PRIVATE_MODULE_EXPORT_NAME_SUBSTITUTION__":1};
diff --git a/tools/file_packager.py b/tools/file_packager.py
index 7c668de42dbd6..ed564c10c4cac 100755
--- a/tools/file_packager.py
+++ b/tools/file_packager.py
@@ -607,11 +607,11 @@ def generate_js(data_target, data_files, metadata):
   var Module = typeof %(EXPORT_NAME)s != 'undefined' ? %(EXPORT_NAME)s : {};\n''' % {"EXPORT_NAME": options.export_name}
 
   ret += '''
-  if (!Module.expectedDataFileDownloads) {
-    Module.expectedDataFileDownloads = 0;
+  if (!Module['expectedDataFileDownloads']) {
+    Module['expectedDataFileDownloads'] = 0;
   }
 
-  Module.expectedDataFileDownloads++;
+  Module['expectedDataFileDownloads']++;
   (() => {
     // Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
     var isPthread = typeof ENVIRONMENT_IS_PTHREAD != 'undefined' && ENVIRONMENT_IS_PTHREAD;
@@ -978,26 +978,26 @@ def generate_js(data_target, data_files, metadata):
           if (event.loaded) {
             if (!xhr.addedTotal) {
               xhr.addedTotal = true;
-              if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
-              Module.dataFileDownloads[url] = {
+              if (!Module['dataFileDownloads']) Module['dataFileDownloads'] = {};
+              Module['dataFileDownloads'][url] = {
                 loaded: event.loaded,
                 total: size
               };
             } else {
-              Module.dataFileDownloads[url].loaded = event.loaded;
+              Module['dataFileDownloads'][url].loaded = event.loaded;
             }
             var total = 0;
             var loaded = 0;
             var num = 0;
-            for (var download in Module.dataFileDownloads) {
-            var data = Module.dataFileDownloads[download];
+            for (var download in Module['dataFileDownloads']) {
+            var data = Module['dataFileDownloads'][download];
               total += data.total;
               loaded += data.loaded;
               num++;
             }
-            total = Math.ceil(total * Module.expectedDataFileDownloads/num);
+            total = Math.ceil(total * Module['expectedDataFileDownloads']/num);
             Module['setStatus']?.(`Downloading data... (${loaded}/${total})`);
-          } else if (!Module.dataFileDownloads) {
+          } else if (!Module['dataFileDownloads']) {
             Module['setStatus']?.('Downloading data...');
           }
         };
@@ -1032,7 +1032,7 @@ def generate_js(data_target, data_files, metadata):
     # we need to find the datafile in the same dir as the html file
 
     code += '''
-      if (!Module.preloadResults) Module.preloadResults = {};\n'''
+      if (!Module['preloadResults']) Module['preloadResults'] = {};\n'''
 
     if options.use_preload_cache:
       code += '''
@@ -1046,7 +1046,7 @@ def generate_js(data_target, data_files, metadata):
           function(db) {
             checkCachedPackage(db, PACKAGE_PATH + PACKAGE_NAME,
               function(useCached, metadata) {
-                Module.preloadResults[PACKAGE_NAME] = {fromCache: useCached};
+                Module['preloadResults'][PACKAGE_NAME] = {fromCache: useCached};
                 if (useCached) {
                   fetchCachedPackage(db, PACKAGE_PATH + PACKAGE_NAME, metadata, processPackageData, preloadFallback);
                 } else {
@@ -1085,7 +1085,7 @@ def generate_js(data_target, data_files, metadata):
       }, handleError);\n'''
 
       code += '''
-      Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
+      Module['preloadResults'][PACKAGE_NAME] = {fromCache: false};
       if (fetched) {
         processPackageData(fetched);
         fetched = null;