diff --git a/build/MSICALib.props b/build/MSICALib.props
index 5901000..365730b 100644
--- a/build/MSICALib.props
+++ b/build/MSICALib.props
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?> 
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ImportGroup Label="PropertySheets" />
   <PropertyGroup Label="UserMacros" />
@@ -8,7 +8,7 @@
   </PropertyGroup>
   <ItemDefinitionGroup>
     <ClCompile>
-      <AdditionalIncludeDirectories>..\include</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\include;..\..\atlex\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>stdafx.h</PrecompiledHeaderFile>
     </ClCompile>
@@ -17,4 +17,4 @@
     </Lib>
   </ItemDefinitionGroup>
   <ItemGroup />
-</Project>
+</Project>
\ No newline at end of file