diff --git a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedAggregateRootWithUser.cs b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedAggregateRootWithUser.cs
index b2dbb8c280..c6bfefbb23 100644
--- a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedAggregateRootWithUser.cs
+++ b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedAggregateRootWithUser.cs
@@ -15,10 +15,10 @@ namespace Volo.Abp.Domain.Entities.Auditing
         public virtual TUser Deleter { get; set; }
 
         /// <inheritdoc />
-        public TUser Creator { get; set; }
+        public virtual TUser Creator { get; set; }
 
         /// <inheritdoc />
-        public TUser LastModifier { get; set; }
+        public virtual TUser LastModifier { get; set; }
     }
 
     /// <summary>
@@ -34,10 +34,10 @@ namespace Volo.Abp.Domain.Entities.Auditing
         public virtual TUser Deleter { get; set; }
 
         /// <inheritdoc />
-        public TUser Creator { get; set; }
+        public virtual TUser Creator { get; set; }
 
         /// <inheritdoc />
-        public TUser LastModifier { get; set; }
+        public virtual TUser LastModifier { get; set; }
 
         protected FullAuditedAggregateRootWithUser()
         {
diff --git a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedEntityWithUser.cs b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedEntityWithUser.cs
index 3156813843..f7ec2b672f 100644
--- a/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedEntityWithUser.cs
+++ b/framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/Auditing/FullAuditedEntityWithUser.cs
@@ -15,10 +15,10 @@ namespace Volo.Abp.Domain.Entities.Auditing
         public virtual TUser Deleter { get; set; }
 
         /// <inheritdoc />
-        public TUser Creator { get; set; }
+        public virtual TUser Creator { get; set; }
 
         /// <inheritdoc />
-        public TUser LastModifier { get; set; }
+        public virtual TUser LastModifier { get; set; }
     }
 
     /// <summary>
@@ -34,10 +34,10 @@ namespace Volo.Abp.Domain.Entities.Auditing
         public virtual TUser Deleter { get; set; }
 
         /// <inheritdoc />
-        public TUser Creator { get; set; }
+        public virtual TUser Creator { get; set; }
         
         /// <inheritdoc />
-        public TUser LastModifier { get; set; }
+        public virtual TUser LastModifier { get; set; }
 
         protected FullAuditedEntityWithUser()
         {