diff --git a/src/android/com/ionicframework/cordova/webview/WebViewLocalServer.java b/src/android/com/ionicframework/cordova/webview/WebViewLocalServer.java
index 7e2ba9bc..cf134932 100644
--- a/src/android/com/ionicframework/cordova/webview/WebViewLocalServer.java
+++ b/src/android/com/ionicframework/cordova/webview/WebViewLocalServer.java
@@ -360,7 +360,7 @@ private String getMimeType(String path, InputStream stream) {
         Log.d(IonicWebViewEngine.TAG, "We shouldn't be here");
       }
       if (mimeType == null) {
-        if (path.endsWith(".js")) {
+        if (path.endsWith(".js") || path.endsWith(".mjs")) {
           // Make sure JS files get the proper mimetype to support ES modules
           mimeType = "application/javascript";
         } else if (path.endsWith(".wasm")) {