diff --git a/libguile.h b/libguile.h
index 10083be98..fe1351990 100644
--- a/libguile.h
+++ b/libguile.h
@@ -130,6 +130,8 @@ extern "C" {
 #include "libguile/stacks.h"
 #include "libguile/threads.h"
 #include "libguile/inline.h"
+
+#include "libguile/discouraged.h"
 #include "libguile/deprecated.h"
 
 #ifdef __cplusplus