diff --git a/framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancySides.cs b/framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancySides.cs
index bf094c6bc3..0b848554bb 100644
--- a/framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancySides.cs
+++ b/framework/src/Volo.Abp.MultiTenancy/Volo/Abp/MultiTenancy/MultiTenancySides.cs
@@ -6,7 +6,7 @@ namespace Volo.Abp.MultiTenancy;
 /// Represents sides in a multi tenancy application.
 /// </summary>
 [Flags]
-public enum MultiTenancySides
+public enum MultiTenancySides : byte
 {
     /// <summary>
     /// Tenant side.