diff --git a/CMakeLists.txt b/CMakeLists.txt
index ab3ab5bc3..0617b9100 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -172,6 +172,8 @@ if (ZMQ_PREFIX STREQUAL "bundled")
   if(${bundled_libsodium_POPULATED} AND NOT EXISTS "${libsodium_lib}")
     message(STATUS "building bundled libsodium")
     if (MSVC)
+      set(LIBSODIUM_MSVC_VERSION "143" CACHE STRING "MSVC version to build libsodium")
+      set(MSCV_VERSION ${LIBSODIUM_MSVC_VERSION})
       find_package(Vcvars REQUIRED)
       # TODO: allow picking msvc build?
       list(APPEND libsodium_build