diff --git a/backend/scaffolder/templates/android-kotlin-app-template/{{cookiecutter.app_name}}/app/build.gradle b/backend/scaffolder/templates/android-kotlin-app-template/{{cookiecutter.app_name}}/app/build.gradle
index 3680aac19c..3f985e756e 100644
--- a/backend/scaffolder/templates/android-kotlin-app-template/{{cookiecutter.app_name}}/app/build.gradle
+++ b/backend/scaffolder/templates/android-kotlin-app-template/{{cookiecutter.app_name}}/app/build.gradle
@@ -7,7 +7,7 @@ android {
     buildToolsVersion "29.0.2"
 
     defaultConfig {
-        applicationId {{cookiecutter.app_id}}
+        applicationId "{{cookiecutter.app_id}}"
         minSdkVersion 21
         targetSdkVersion 29
         versionCode 1