diff --git a/studio/src/Volo.Abp.Studio.ModuleInstaller.Abstractions/Volo/Abp/Studio/Package/PackageConsts.cs b/studio/src/Volo.Abp.Studio.ModuleInstaller.Abstractions/Volo/Abp/Studio/Package/PackageConsts.cs
index c76cfcc475..e9ec9285e2 100644
--- a/studio/src/Volo.Abp.Studio.ModuleInstaller.Abstractions/Volo/Abp/Studio/Package/PackageConsts.cs
+++ b/studio/src/Volo.Abp.Studio.ModuleInstaller.Abstractions/Volo/Abp/Studio/Package/PackageConsts.cs
@@ -3,7 +3,10 @@
     public static class PackageConsts
     {
         public const string FileExtension = ".abppkg.json";
-        
+
+        //todo: use this everywhere!
+        public const string InstallerExtension = ".Installer";
+
         public const string RoleProperty = "role";
     }
-}
\ No newline at end of file
+}