diff --git a/libgambatte/libgambatte.vcxproj b/libgambatte/libgambatte.vcxproj
index 1dc8881872..ed6f69468b 100644
--- a/libgambatte/libgambatte.vcxproj
+++ b/libgambatte/libgambatte.vcxproj
@@ -50,6 +50,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;LIBGAMBATTE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>include;src;src\common</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -65,6 +66,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;LIBGAMBATTE_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>include;src;src\common</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>