diff --git a/xs/src/xsinit.h b/xs/src/xsinit.h
index 59588791a..6b50bc2e4 100644
--- a/xs/src/xsinit.h
+++ b/xs/src/xsinit.h
@@ -26,7 +26,6 @@
 #undef socketpair
 #undef recvfrom
 #undef sendto
-#undef seed
 
 // these need to be included early for Win32 (listing it in Build.PL is not enough)
 #include <ostream>
@@ -42,6 +41,7 @@ extern "C" {
 #undef do_open
 #undef do_close
 #undef bind
+#undef seed
 #ifdef _MSC_VER
     // Undef some of the macros set by Perl <xsinit.h>, which cause compilation errors on Win32
     #undef send