diff --git a/S7.Net/PLCHelpers.cs b/S7.Net/PLCHelpers.cs
index 1f73503..110c71b 100644
--- a/S7.Net/PLCHelpers.cs
+++ b/S7.Net/PLCHelpers.cs
@@ -35,7 +35,7 @@ namespace S7.Net
         /// </summary>
         /// <param name="amount"></param>
         /// <returns></returns>
-        private static void BuildHeaderPackage(System.IO.MemoryStream stream, int amount = 1)
+        private static void WriteReadHeader(System.IO.MemoryStream stream, int amount = 1)
         {
             // Header size 19, 12 bytes per item
             WriteTpktHeader(stream, 19 + 12 * amount);
@@ -271,7 +271,7 @@ namespace S7.Net
             int packageSize = 19 + (dataItems.Count * 12);
             var package = new System.IO.MemoryStream(packageSize);
 
-            BuildHeaderPackage(package, dataItems.Count);
+            WriteReadHeader(package, dataItems.Count);
 
             foreach (var dataItem in dataItems)
             {
diff --git a/S7.Net/PlcSynchronous.cs b/S7.Net/PlcSynchronous.cs
index 4a3aaad..7915e58 100644
--- a/S7.Net/PlcSynchronous.cs
+++ b/S7.Net/PlcSynchronous.cs
@@ -329,7 +329,7 @@ namespace S7.Net
                 const int packageSize = 19 + 12; // 19 header + 12 for 1 request
                 var dataToSend = new byte[packageSize];
                 var package = new MemoryStream(dataToSend);
-                BuildHeaderPackage(package);
+                WriteReadHeader(package);
                 // package.Add(0x02);  // datenart
                 BuildReadDataRequestPackage(package, dataType, db, startByteAdr, buffer.Length);
 
@@ -474,7 +474,7 @@ namespace S7.Net
                 int packageSize = 19 + (dataItems.Count * 12);
                 var dataToSend = new byte[packageSize];
                 var package = new MemoryStream(dataToSend);
-                BuildHeaderPackage(package, dataItems.Count);
+                WriteReadHeader(package, dataItems.Count);
                 // package.Add(0x02);  // datenart
                 foreach (var dataItem in dataItems)
                 {