diff --git a/meson.build b/meson.build
index 07b2586..02acd91 100644
--- a/meson.build
+++ b/meson.build
@@ -370,7 +370,7 @@ endif
 
 cdata.set10('ARCH_PPC64LE', host_machine.cpu() == 'ppc64le')
 
-if cc.symbols_have_underscore_prefix()
+if cc.symbols_have_underscore_prefix() or (host_machine.cpu_family() == 'x86' and host_machine.system() == 'windows')
     cdata.set10('PREFIX', true)
     cdata_asm.set10('PREFIX', true)
 endif