diff --git a/lib/hx509/hx509.h b/lib/hx509/hx509.h
index c5dabc346..a2ffb0c8d 100644
--- a/lib/hx509/hx509.h
+++ b/lib/hx509/hx509.h
@@ -51,6 +51,7 @@ typedef struct hx509_error_data *hx509_error;
 typedef struct hx509_peer_info *hx509_peer_info;
 typedef struct hx509_ca_tbs *hx509_ca_tbs;
 typedef struct hx509_env *hx509_env;
+typedef struct hx509_crl *hx509_crl;
 
 typedef void (*hx509_vprint_func)(void *, const char *, va_list);