diff --git a/EnvelopeGenerator.Application/Common/Dto/ConfigDto.cs b/EnvelopeGenerator.Application/Common/Dto/ConfigDto.cs
index 45eb0188..d6f68654 100644
--- a/EnvelopeGenerator.Application/Common/Dto/ConfigDto.cs
+++ b/EnvelopeGenerator.Application/Common/Dto/ConfigDto.cs
@@ -31,7 +31,7 @@ public class ConfigDto
     /// <summary>
     /// Gets or sets the path where exports will be saved.
     /// </summary>
-    public string? ExportPath { get; set; }
+    public string ExportPath { get; set; } = null!;
 
     /// <summary>
     /// Gets or sets the creation timestamp.