diff --git a/visual/2012/fuzzer/fuzzer.vcxproj b/visual/2012/fuzzer/fuzzer.vcxproj
index 8a114aefc..f80b3b85a 100644
--- a/visual/2012/fuzzer/fuzzer.vcxproj
+++ b/visual/2012/fuzzer/fuzzer.vcxproj
@@ -161,6 +161,7 @@
   <ItemGroup>
     <ClCompile Include="..\..\..\lib\fse.c" />
     <ClCompile Include="..\..\..\lib\zstd.c" />
+    <ClCompile Include="..\..\..\programs\datagen.c" />
     <ClCompile Include="..\..\..\programs\fuzzer.c" />
     <ClCompile Include="..\..\..\programs\xxhash.c" />
   </ItemGroup>
@@ -169,6 +170,7 @@
     <ClInclude Include="..\..\..\lib\fse_static.h" />
     <ClInclude Include="..\..\..\lib\zstd.h" />
     <ClInclude Include="..\..\..\lib\zstd_static.h" />
+    <ClInclude Include="..\..\..\programs\datagen.h" />
     <ClInclude Include="..\..\..\programs\xxhash.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/visual/2012/fuzzer/fuzzer.vcxproj.filters b/visual/2012/fuzzer/fuzzer.vcxproj.filters
index 7782b08fa..6bc481a67 100644
--- a/visual/2012/fuzzer/fuzzer.vcxproj.filters
+++ b/visual/2012/fuzzer/fuzzer.vcxproj.filters
@@ -27,6 +27,9 @@
     <ClCompile Include="..\..\..\programs\xxhash.c">
       <Filter>Fichiers sources</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\programs\datagen.c">
+      <Filter>Fichiers sources</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\lib\fse.h">
@@ -44,5 +47,8 @@
     <ClInclude Include="..\..\..\programs\xxhash.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