diff --git a/libasn1print/asn1print.c b/libasn1print/asn1print.c
index 58ce284..3c411c6 100644
--- a/libasn1print/asn1print.c
+++ b/libasn1print/asn1print.c
@@ -5,6 +5,7 @@
 
 #include <asn1parser.h>
 #include <asn1fix_export.h>
+#include <asn1fix_crange.h>
 
 #include "asn1print.h"