diff --git a/libguile/gc.c b/libguile/gc.c
index 0491a70ba..c900d53bb 100644
--- a/libguile/gc.c
+++ b/libguile/gc.c
@@ -50,6 +50,8 @@
 #include "unif.h"
 #include "async.h"
 
+#include "gc.h"
+
 #ifdef HAVE_MALLOC_H
 #include <malloc.h>
 #endif