diff --git a/dlls/kernel32/heap.c b/dlls/kernel32/heap.c
index e20f8fb7cd4..7be91725239 100644
--- a/dlls/kernel32/heap.c
+++ b/dlls/kernel32/heap.c
@@ -1325,7 +1325,7 @@ VOID WINAPI GlobalMemoryStatus( LPMEMORYSTATUS lpBuffer )
     osver.dwOSVersionInfoSize = sizeof(osver);
     GetVersionExW(&osver);
 
-    if ( osver.dwMajorVersion >= 5 )
+    if ( osver.dwMajorVersion >= 5 || osver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
     {
         lpBuffer->dwTotalPhys = min( memstatus.ullTotalPhys, MAXDWORD );
         lpBuffer->dwAvailPhys = min( memstatus.ullAvailPhys, MAXDWORD );