diff --git a/Models/budget/building_four.cs b/Models/budget/building_four.cs
index 55618f2..47e873e 100644
--- a/Models/budget/building_four.cs
+++ b/Models/budget/building_four.cs
@@ -202,7 +202,7 @@ namespace rmutr_report.Models
     {
         public string list { get; set; }
         public decimal? amount1 { get; set; }
-        public string vat { get; set; }
+        public decimal? vat { get; set; }
         public decimal? amount2 { get; set; }
         public string note { get; set; }
     }