diff --git a/cmake/setup_platform_flags.cmake b/cmake/setup_platform_flags.cmake
index 209e89041a..791edabd57 100644
--- a/cmake/setup_platform_flags.cmake
+++ b/cmake/setup_platform_flags.cmake
@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: MIT
 #
 
-if(WIN32)
+if(WIN32 AND NOT NEO_ALLOW_LEGACY_PLATFORMS_SUPPORT)
   DISABLE_FLAGS_FOR("GEN8" "BDW")
   DISABLE_FLAGS_FOR("GEN9" "SKL" "KBL" "BXT" "GLK" "CFL")
   DISABLE_FLAGS_FOR("GEN11" "ICLLP" "LKF" "EHL")