diff --git a/framework/src/Volo.Abp.Features/Volo/Abp/Features/EditionFeatureValueProvider.cs b/framework/src/Volo.Abp.Features/Volo/Abp/Features/EditionFeatureValueProvider.cs
index 8ce1332ecb..ef22197f8a 100644
--- a/framework/src/Volo.Abp.Features/Volo/Abp/Features/EditionFeatureValueProvider.cs
+++ b/framework/src/Volo.Abp.Features/Volo/Abp/Features/EditionFeatureValueProvider.cs
@@ -20,7 +20,7 @@ namespace Volo.Abp.Features
 
         public override async Task<string> GetOrNullAsync(FeatureDefinition feature)
         {
-            var editionId = PrincipalAccessor.Principal.FindEditionId();
+            var editionId = PrincipalAccessor.Principal?.FindEditionId();
             if (editionId == null)
             {
                 return null;