diff --git a/IOB-WIN-MITSUBISHI/Iob/Mitsubishi.cs b/IOB-WIN-MITSUBISHI/Iob/Mitsubishi.cs
index a55e9019..d256bc0a 100644
--- a/IOB-WIN-MITSUBISHI/Iob/Mitsubishi.cs
+++ b/IOB-WIN-MITSUBISHI/Iob/Mitsubishi.cs
@@ -32,8 +32,8 @@ namespace IOB_WIN_MITSUBISHI.Iob
             if (IobConfFull.DeviceConf.MemoryConf.AreaConf.ContainsKey(aName))
             {
                 currArea = IobConfFull.DeviceConf.MemoryConf.AreaConf[aName];
-                MemVarStart = currArea.AddressStart;
-                MemVarSize = currArea.AddressSize;
+                MemVarStart = currArea.Start;
+                MemVarSize = currArea.Size;
             }
             else
             {
@@ -44,8 +44,8 @@ namespace IOB_WIN_MITSUBISHI.Iob
             if (IobConfFull.DeviceConf.MemoryConf.AreaConf.ContainsKey(aName))
             {
                 currArea = IobConfFull.DeviceConf.MemoryConf.AreaConf[aName];
-                ParamStart = currArea.AddressStart;
-                ParamSize = currArea.AddressSize;
+                ParamStart = currArea.Start;
+                ParamSize = currArea.Size;
             }
             else
             {
@@ -56,8 +56,8 @@ namespace IOB_WIN_MITSUBISHI.Iob
             if (IobConfFull.DeviceConf.MemoryConf.AreaConf.ContainsKey(aName))
             {
                 currArea = IobConfFull.DeviceConf.MemoryConf.AreaConf[aName];
-                SignStart = currArea.AddressStart;
-                SignSize = currArea.AddressSize;
+                SignStart = currArea.Start;
+                SignSize = currArea.Size;
             }
             else
             {