diff --git a/Tadah.DLL/Tadah.DLL.vcxproj b/Tadah.DLL/Tadah.DLL.vcxproj
index 4b38334..7d36a24 100644
--- a/Tadah.DLL/Tadah.DLL.vcxproj
+++ b/Tadah.DLL/Tadah.DLL.vcxproj
@@ -72,7 +72,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>WIN32;_DEBUG;TADAHDLL_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;TADAHDLL_EXPORTS;_WINDOWS;_USRDLL;$(TadahCI);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
@@ -98,7 +98,7 @@
       </FunctionLevelLinking>
       <IntrinsicFunctions>false</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>WIN32;NDEBUG;TADAHDLL_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;TADAHDLL_EXPORTS;_WINDOWS;_USRDLL;$(TadahCI);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>