diff --git a/action.yml b/action.yml
index 29d4ffa5..3478812a 100644
--- a/action.yml
+++ b/action.yml
@@ -53,7 +53,7 @@ inputs:
     description: '[Deprecated] Use androidExportType instead. Whether to build .aab instead of .apk'
   androidExportType:
     required: false
-    default: 'androidPackage'
+    default: ''
     description:
       'The android export type. Should be androidPackage for apk, androidAppBundle for aab, or androidStudioProject for
       an android studio project.'
@@ -87,7 +87,7 @@ inputs:
     description: 'The android symbol type to export. Should be "none", "public" or "debugging".'
   sshAgent:
     required: false
-    default: 'public'
+    default: ''
     description: 'SSH Agent path to forward to the container'
   gitPrivateToken:
     required: false
diff --git a/dist/default-build-script/Assets/Editor/UnityBuilderAction/Input/AndroidSettings.cs b/dist/default-build-script/Assets/Editor/UnityBuilderAction/Input/AndroidSettings.cs
index 8008f79c..2682f956 100644
--- a/dist/default-build-script/Assets/Editor/UnityBuilderAction/Input/AndroidSettings.cs
+++ b/dist/default-build-script/Assets/Editor/UnityBuilderAction/Input/AndroidSettings.cs
@@ -5,7 +5,7 @@ using System.Reflection;
 
 namespace UnityBuilderAction.Input
 {
-  public class AndroidSettings
+  public static class AndroidSettings
   {
     public static void Apply(Dictionary<string, string> options)
     {
@@ -49,8 +49,8 @@ namespace UnityBuilderAction.Input
       if (options.TryGetValue("androidExportType", out androidExportType) && !string.IsNullOrEmpty(androidExportType))
       {
         // Only exists in 2018.3 and above
-        FieldInfo buildAppBundle = typeof(EditorUserBuildSettings)
-              .GetField("buildAppBundle", System.Reflection.BindingFlags.Public | BindingFlags.Instance);
+        PropertyInfo buildAppBundle = typeof(EditorUserBuildSettings)
+              .GetProperty("buildAppBundle", BindingFlags.Public | BindingFlags.Static);
         switch (androidExportType)
         {
           case "androidStudioProject":