diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3aaea5d..ab61c7f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -269,7 +269,7 @@ if(WIN32)
       target_compile_definitions(texdiag PRIVATE _UNICODE UNICODE _WIN32_WINNT=0x0601)
     endif()
 
-    if(BUILD_DX12)
+    if(BUILD_DX12 OR WINDOWS_STORE)
         target_compile_definitions(${PROJECT_NAME} PRIVATE _WIN32_WINNT=0x0A00)
     else()
         target_compile_definitions(${PROJECT_NAME} PRIVATE _WIN32_WINNT=0x0601)