diff --git a/miniupnpc/msvc/miniupnpc.vcxproj b/miniupnpc/msvc/miniupnpc.vcxproj
index d91271f..cb4defa 100644
--- a/miniupnpc/msvc/miniupnpc.vcxproj
+++ b/miniupnpc/msvc/miniupnpc.vcxproj
@@ -183,6 +183,7 @@
     <ClInclude Include="..\upnpdev.h" />
     <ClInclude Include="..\upnperrors.h" />
     <ClInclude Include="..\upnpreplyparse.h" />
+    <ClInclude Include="..\win32_snprintf.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="genminiupnpcstrings.vbs" />
diff --git a/miniupnpc/msvc/miniupnpc.vcxproj.filters b/miniupnpc/msvc/miniupnpc.vcxproj.filters
index 6f53c81..c79060a 100644
--- a/miniupnpc/msvc/miniupnpc.vcxproj.filters
+++ b/miniupnpc/msvc/miniupnpc.vcxproj.filters
@@ -113,6 +113,9 @@
     <ClInclude Include="..\addr_is_reserved.h">
       <Filter>Fichiers d%27en-tête</Filter>
     </ClInclude>
+    <ClInclude Include="..\win32_snprintf.h">
+      <Filter>Fichiers d%27en-tête</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="genminiupnpcstrings.vbs">
diff --git a/miniupnpc/msvc/miniupnpc_vs2010.vcxproj b/miniupnpc/msvc/miniupnpc_vs2010.vcxproj
index 7a3156e..b97c370 100644
--- a/miniupnpc/msvc/miniupnpc_vs2010.vcxproj
+++ b/miniupnpc/msvc/miniupnpc_vs2010.vcxproj
@@ -179,6 +179,7 @@
     <ClInclude Include="..\upnpdev.h" />
     <ClInclude Include="..\upnperrors.h" />
     <ClInclude Include="..\upnpreplyparse.h" />
+    <ClInclude Include="..\win32_snprintf.h" />
   </ItemGroup>
   <ItemGroup>
     <None Include="genminiupnpcstrings.vbs" />
diff --git a/miniupnpc/msvc/miniupnpc_vs2010.vcxproj.filters b/miniupnpc/msvc/miniupnpc_vs2010.vcxproj.filters
index d52bb8b..1ab34f9 100644
--- a/miniupnpc/msvc/miniupnpc_vs2010.vcxproj.filters
+++ b/miniupnpc/msvc/miniupnpc_vs2010.vcxproj.filters
@@ -102,6 +102,9 @@
     <ClInclude Include="..\addr_is_reserved.h">
       <Filter>headers</Filter>
     </ClInclude>
+    <ClInclude Include="..\win32_snprintf.h">
+      <Filter>Fichiers d%27en-tête</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="sources">