diff --git a/EnvelopeGenerator.Domain/Entities/Envelope.cs b/EnvelopeGenerator.Domain/Entities/Envelope.cs
index 1e2f7980..43c53390 100644
--- a/EnvelopeGenerator.Domain/Entities/Envelope.cs
+++ b/EnvelopeGenerator.Domain/Entities/Envelope.cs
@@ -129,7 +129,11 @@ namespace EnvelopeGenerator.Domain.Entities
         public int? ExpiresWarningWhenDays { get; set; }
 
         [ForeignKey("UserId")]
-        public User User { get; set; }
+        public User
+#if nullable
+            ?
+#endif
+            User { get; set; }
 
         [Column("TFA_ENABLED")]
         public bool? TfaEnabled { get; set; }