diff --git a/MTC_Adapter/CMSCncLib/CMSCncLib.vbproj b/MTC_Adapter/CMSCncLib/CMSCncLib.vbproj
index 55bf779..59f96cf 100644
--- a/MTC_Adapter/CMSCncLib/CMSCncLib.vbproj
+++ b/MTC_Adapter/CMSCncLib/CMSCncLib.vbproj
@@ -34,7 +34,7 @@
     <OutputPath>bin\Release\</OutputPath>
     <DocumentationFile>CMSCncLib.xml</DocumentationFile>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
-    <DefineConstants>FS30D=1</DefineConstants>
+    <DefineConstants>FS30D=1,SIEMENS=1</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
@@ -58,7 +58,7 @@
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <DefineConstants>FS30D=1</DefineConstants>
+    <DefineConstants>FS30D=1,SIEMENS=1</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'SCM-ESA|AnyCPU' ">
@@ -70,13 +70,13 @@
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
-    <DefineConstants>FS30D=1</DefineConstants>
+    <DefineConstants>FS30D=1,SIEMENS=1</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'CMS-SIEMENS|AnyCPU'">
     <DefineTrace>true</DefineTrace>
     <OutputPath>bin\CMS-SIEMENS\</OutputPath>
-    <DefineConstants>FS30D=1</DefineConstants>
+    <DefineConstants>FS30D=1,SIEMENS=1</DefineConstants>
     <DocumentationFile>CMSCncLib.xml</DocumentationFile>
     <Optimize>true</Optimize>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>
@@ -87,7 +87,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'CMS-OSAI|AnyCPU'">
     <DefineTrace>true</DefineTrace>
     <OutputPath>bin\CMS-OSAI\</OutputPath>
-    <DefineConstants>FS30D=1</DefineConstants>
+    <DefineConstants>FS30D=1,SIEMENS=1</DefineConstants>
     <DocumentationFile>CMSCncLib.xml</DocumentationFile>
     <Optimize>true</Optimize>
     <NoWarn>42016,41999,42017,42018,42019,42032,42036,42020,42021,42022</NoWarn>