diff --git a/etc/visual-studio/libopenthread-windows.vcxproj b/etc/visual-studio/libopenthread-windows.vcxproj
index 7a855f12b..d759ed142 100644
--- a/etc/visual-studio/libopenthread-windows.vcxproj
+++ b/etc/visual-studio/libopenthread-windows.vcxproj
@@ -32,6 +32,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\examples\platforms\posix\platform-posix.h" />
+    <ClInclude Include="..\..\examples\platforms\utils\flash.h" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{30723C38-BA3B-44C9-8D64-C5861A26934F}</ProjectGuid>
@@ -113,7 +114,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;OPENTHREAD_CONFIG_FILE="openthread-windows-config.h";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..examples\platforms</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..\examples\platforms</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -128,7 +129,7 @@
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;OPENTHREAD_CONFIG_FILE="openthread-windows-config.h";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..examples\platforms</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..\examples\platforms</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -144,7 +145,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;OPENTHREAD_CONFIG_FILE="openthread-windows-config.h";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..examples\platforms</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..\examples\platforms</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -162,7 +163,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;OPENTHREAD_CONFIG_FILE="openthread-windows-config.h";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..examples\platforms</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\..\include;..\..\src\core;..\..\examples\platforms</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/etc/visual-studio/libopenthread-windows.vcxproj.filters b/etc/visual-studio/libopenthread-windows.vcxproj.filters
index 0c62eba82..440eca82a 100644
--- a/etc/visual-studio/libopenthread-windows.vcxproj.filters
+++ b/etc/visual-studio/libopenthread-windows.vcxproj.filters
@@ -45,5 +45,8 @@
     <ClInclude Include="..\..\examples\platforms\posix\platform-posix.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\examples\platforms\utils\flash.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>