diff --git a/ports/flann/portfile.cmake b/ports/flann/portfile.cmake
index 69834c8eab..e40e45b68f 100644
--- a/ports/flann/portfile.cmake
+++ b/ports/flann/portfile.cmake
@@ -32,7 +32,7 @@ vcpkg_install_cmake()
 
 file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
 
-if(MSVC)
+if(NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
     set(LIB_PREFIX "")
     set(LIB_SUFFIX ".lib")
 else()