diff --git a/src/platform/windows/audio.cpp b/src/platform/windows/audio.cpp
index bb09d78258f..cc2788aa8cd 100644
--- a/src/platform/windows/audio.cpp
+++ b/src/platform/windows/audio.cpp
@@ -31,7 +31,7 @@ DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0
 DEFINE_PROPERTYKEY(PKEY_DeviceInterface_FriendlyName, 0x026e516e, 0xb814, 0x414b, 0x83, 0xcd, 0x85, 0x6d, 0x6f, 0xef, 0x48, 0x22, 2);
 
 #if defined(__x86_64) || defined(__x86_64__) || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64)
-constexpr auto STEAM_DRIVER_SUBDIR = L"x64";
+  #define STEAM_DRIVER_SUBDIR L"x64"
 #endif
 
 namespace {