diff --git a/S7.Net.Common/Types/DataItem.cs b/S7.Net.Common/Types/DataItem.cs
index 87a294e..b5d7e78 100644
--- a/S7.Net.Common/Types/DataItem.cs
+++ b/S7.Net.Common/Types/DataItem.cs
@@ -6,8 +6,13 @@
         public VarType VarType { get; set; }
         public int DB { get; set; }
         public int StartByteAdr { get; set; }
-        public int Count { get; set; } = 1;
+        public int Count { get; set; }
 
         public object Value { get; set; }
+
+        public DataItem()
+        {
+            Count = 1;
+        }
     }
 }