diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index a7d0a30..e0cdb62 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -157,6 +157,7 @@
     <ClInclude Include="..\..\include\mbedtls\check_config.h" />
     <ClInclude Include="..\..\include\mbedtls\cipher.h" />
     <ClInclude Include="..\..\include\mbedtls\cipher_wrap.h" />
+    <ClInclude Include="..\..\include\mbedtls\compat-1.3.h" />
     <ClInclude Include="..\..\include\mbedtls\config.h" />
     <ClInclude Include="..\..\include\mbedtls\ctr_drbg.h" />
     <ClInclude Include="..\..\include\mbedtls\debug.h" />