diff --git a/packages/capacitor-plugin/android/build.gradle b/packages/capacitor-plugin/android/build.gradle
index 9a57403..18f2653 100644
--- a/packages/capacitor-plugin/android/build.gradle
+++ b/packages/capacitor-plugin/android/build.gradle
@@ -18,7 +18,12 @@ buildscript {
 }
 
 apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
+if (project.extensions.findByName('kotlin') == null) {
+    apply plugin: 'kotlin-android'
+}
+ 
+ android {
+     namespace = "com.capacitorjs.plugins.fileviewer"
 
 android {
     namespace = "com.capacitorjs.plugins.fileviewer"