diff --git a/libguile/stackchk.h b/libguile/stackchk.h
index 8c8205c07..d30fdde23 100644
--- a/libguile/stackchk.h
+++ b/libguile/stackchk.h
@@ -45,6 +45,10 @@
 
 #include "libguile/__scm.h"
 
+#include "libguile/continuations.h"
+#ifdef DEBUG_EXTENSIONS
+#include "libguile/debug.h"
+#endif
 
 
 /* With debug extensions we have the possibility to use the debug options