diff --git a/visualc/VS2010/mbedTLS.vcxproj b/visualc/VS2010/mbedTLS.vcxproj
index 9d79298..db8ec33 100644
--- a/visualc/VS2010/mbedTLS.vcxproj
+++ b/visualc/VS2010/mbedTLS.vcxproj
@@ -238,6 +238,7 @@
     <ClInclude Include="..\..\tests\include\test\psa_crypto_helpers.h" />
     <ClInclude Include="..\..\tests\include\test\psa_helpers.h" />
     <ClInclude Include="..\..\tests\include\test\random.h" />
+    <ClInclude Include="..\..\tests\include\test\drivers\cipher.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\keygen.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\signature.h" />
     <ClInclude Include="..\..\tests\include\test\drivers\test_driver.h" />