diff --git a/lib/asn1/der_get.c b/lib/asn1/der_get.c
index b1116d654..532172dd3 100644
--- a/lib/asn1/der_get.c
+++ b/lib/asn1/der_get.c
@@ -40,6 +40,8 @@
 
 RCSID("$Id$");
 
+#include <version.h>
+
 /*
  * All decoding functions take a pointer `p' to first position in
  * which to read, from the left, `len' which means the maximum