diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7872d18e4..4d2caf21cb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,6 +79,9 @@ endif()
 if(MSVC)
   set(_flags "${_flags} MSVC")
 endif()
+if(VCPKG_TOOLCHAIN)
+  set(_flags "${_flags} VCPKG")
+endif()
 message(STATUS "CMake platform flags:${_flags}")
 set(_flags)