diff --git a/build/win32/vs10/gailutil.vcxproj b/build/win32/vs10/gailutil.vcxproj
index 7a2820f7a2..7ebdc7e301 100644
--- a/build/win32/vs10/gailutil.vcxproj
+++ b/build/win32/vs10/gailutil.vcxproj
@@ -28,18 +28,22 @@
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -71,6 +75,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>..\..\..\gdk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -94,6 +99,7 @@
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>..\..\..\gdk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -117,7 +123,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
       <Optimization>Disabled</Optimization>
-      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\..\gdk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
@@ -139,7 +145,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <AdditionalIncludeDirectories>%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\..\gdk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>
diff --git a/build/win32/vs9/gailutil.vcproj b/build/win32/vs9/gailutil.vcproj
index e969532ae8..4ff303cc77 100644
--- a/build/win32/vs9/gailutil.vcproj
+++ b/build/win32/vs9/gailutil.vcproj
@@ -31,6 +31,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
+				AdditionalIncludeDirectories="..\..\..\gdk"
 				PreprocessorDefinitions="_DEBUG"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -64,6 +65,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="2"
+				AdditionalIncludeDirectories="..\..\..\gdk"
 				EnableIntrinsicFunctions="true"
 				PreprocessorDefinitions=""
 				RuntimeLibrary="2"
@@ -98,7 +100,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories=""
+				AdditionalIncludeDirectories="..\..\..\gdk"
 				PreprocessorDefinitions="_DEBUG"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -130,7 +132,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories=""
+				AdditionalIncludeDirectories="..\..\..\gdk"
 				PreprocessorDefinitions=""
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"