diff --git a/visual/2012/zstd/zstd.vcxproj b/visual/2012/zstd/zstd.vcxproj
index f9524624a..524cf6276 100644
--- a/visual/2012/zstd/zstd.vcxproj
+++ b/visual/2012/zstd/zstd.vcxproj
@@ -28,6 +28,7 @@
     <ClCompile Include="..\..\..\lib\zstd_compress.c" />
     <ClCompile Include="..\..\..\lib\zstd_decompress.c" />
     <ClCompile Include="..\..\..\programs\bench.c" />
+    <ClCompile Include="..\..\..\programs\datagen.c" />
     <ClCompile Include="..\..\..\programs\fileio.c" />
     <ClCompile Include="..\..\..\programs\legacy\fileio_legacy.c" />
     <ClCompile Include="..\..\..\programs\xxhash.c" />
@@ -48,6 +49,7 @@
     <ClInclude Include="..\..\..\lib\zstd_internal.h" />
     <ClInclude Include="..\..\..\lib\zstd_static.h" />
     <ClInclude Include="..\..\..\programs\bench.h" />
+    <ClInclude Include="..\..\..\programs\datagen.h" />
     <ClInclude Include="..\..\..\programs\fileio.h" />
     <ClInclude Include="..\..\..\programs\legacy\fileio_legacy.h" />
     <ClInclude Include="..\..\..\programs\xxhash.h" />
diff --git a/visual/2012/zstd/zstd.vcxproj.filters b/visual/2012/zstd/zstd.vcxproj.filters
index 442ecaee6..49bae357e 100644
--- a/visual/2012/zstd/zstd.vcxproj.filters
+++ b/visual/2012/zstd/zstd.vcxproj.filters
@@ -54,6 +54,9 @@
     <ClCompile Include="..\..\..\lib\legacy\zstd_v03.c">
       <Filter>Fichiers sources</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\programs\datagen.c">
+      <Filter>Fichiers sources</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\lib\fse.h">
@@ -107,5 +110,8 @@
     <ClInclude Include="..\..\..\lib\legacy\zstd_v03.h">
       <Filter>Fichiers d%27en-tête</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\programs\datagen.h">
+      <Filter>Fichiers d%27en-tête</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file