diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlBuffer.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlBuffer.cs
index 5c603ba1cd..602666e455 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlBuffer.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlBuffer.cs
@@ -811,7 +811,7 @@ internal SqlGuid SqlGuid
             {
                 if (StorageType.Guid == _type)
                 {
-                    return new SqlGuid(_value._guid);
+                    return IsNull ? SqlGuid.Null : new SqlGuid(_value._guid);
                 }
                 else if (StorageType.SqlGuid == _type)
                 {