diff --git a/IDE/WIN10/wolfssl-fips.vcxproj b/IDE/WIN10/wolfssl-fips.vcxproj
index 15b2ee921..f1640a1e6 100644
--- a/IDE/WIN10/wolfssl-fips.vcxproj
+++ b/IDE/WIN10/wolfssl-fips.vcxproj
@@ -258,6 +258,7 @@
     <ClCompile Include="..\..\wolfcrypt\src\hash.c" />
     <ClCompile Include="..\..\wolfcrypt\src\hmac.c" />
     <ClCompile Include="..\..\wolfcrypt\src\integer.c" />
+    <ClCompile Include="..\..\wolfcrypt\src\tfm.c" />
     <ClCompile Include="..\..\src\internal.c" />
     <ClCompile Include="..\..\src\wolfio.c" />
     <ClCompile Include="..\..\wolfcrypt\src\kdf.c" />