diff --git a/libasn1fix/asn1fix_cws.c b/libasn1fix/asn1fix_cws.c
index 2a629e9..6a8abf9 100644
--- a/libasn1fix/asn1fix_cws.c
+++ b/libasn1fix/asn1fix_cws.c
@@ -1 +1,2 @@
 #include "asn1fix_internal.h"
+#include "asn1fix_cws.h"