diff --git a/visualc/VS2010/PolarSSL.vcxproj b/visualc/VS2010/PolarSSL.vcxproj
index 7af2ac9..529794a 100644
--- a/visualc/VS2010/PolarSSL.vcxproj
+++ b/visualc/VS2010/PolarSSL.vcxproj
@@ -265,6 +265,7 @@
     <ClCompile Include="..\..\library\threading.c" />
     <ClCompile Include="..\..\library\timing.c" />
     <ClCompile Include="..\..\library\version.c" />
+    <ClCompile Include="..\..\library\version_features.c" />
     <ClCompile Include="..\..\library\x509.c" />
     <ClCompile Include="..\..\library\x509_create.c" />
     <ClCompile Include="..\..\library\x509_crl.c" />
diff --git a/visualc/VS6/polarssl.dsp b/visualc/VS6/polarssl.dsp
index 205dfd6..71dfd7f 100644
--- a/visualc/VS6/polarssl.dsp
+++ b/visualc/VS6/polarssl.dsp
@@ -317,6 +317,10 @@
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\library\version_features.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\library\x509.c
 # End Source File
 # Begin Source File