diff --git a/hw/xquartz/xpr/x-list.new.h b/hw/xquartz/xpr/x-list.h
index 28385fd..71f9d26 100644
--- a/hw/xquartz/xpr/x-list.new.h
+++ b/hw/xquartz/xpr/x-list.h
@@ -45,6 +45,7 @@ struct x_list_struct {
 #endif
 
 #ifndef X_EXTERN
+#define __private_extern__ extern
 #define X_EXTERN __private_extern__
 #endif