diff --git a/headless/Headless.vcxproj b/headless/Headless.vcxproj
index 31343c9f92..27c1aff9d7 100644
--- a/headless/Headless.vcxproj
+++ b/headless/Headless.vcxproj
@@ -69,23 +69,23 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
-    <LibraryPath>dx9sdk\Lib\x86;$(VC_LibraryPath_x86);$(WindowsSdk_71A_LibraryPath_x86);</LibraryPath>
+    <IncludePath>..\dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
+    <LibraryPath>..\dx9sdk\Lib\x86;$(VC_LibraryPath_x86);$(WindowsSdk_71A_LibraryPath_x86);</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
-    <LibraryPath>dx9sdk\Lib\x64;$(VC_LibraryPath_x64);$(WindowsSdk_71A_LibraryPath_x64);</LibraryPath>
+    <IncludePath>..\dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
+    <LibraryPath>..\dx9sdk\Lib\x64;$(VC_LibraryPath_x64);$(WindowsSdk_71A_LibraryPath_x64);</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
-    <LibraryPath>dx9sdk\Lib\x86;$(VC_LibraryPath_x86);$(WindowsSdk_71A_LibraryPath_x86);</LibraryPath>
+    <IncludePath>..\dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
+    <LibraryPath>..\dx9sdk\Lib\x86;$(VC_LibraryPath_x86);$(WindowsSdk_71A_LibraryPath_x86);</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
-    <LibraryPath>dx9sdk\Lib\x64;$(VC_LibraryPath_x64);$(WindowsSdk_71A_LibraryPath_x64);</LibraryPath>
+    <IncludePath>..\dx9sdk\Include;$(VC_IncludePath);$(WindowsSdk_71A_IncludePath);</IncludePath>
+    <LibraryPath>..\dx9sdk\Lib\x64;$(VC_LibraryPath_x64);$(WindowsSdk_71A_LibraryPath_x64);</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -269,4 +269,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>