diff --git a/examples/sample.source.PKIX1/config.h b/examples/sample.source.PKIX1/config.h
index 63b2105..5385d42 100644
--- a/examples/sample.source.PKIX1/config.h
+++ b/examples/sample.source.PKIX1/config.h
@@ -7,3 +7,5 @@
 		fprintf(stderr, " (%s:%d)\n",	\
 			__FILE__, __LINE__);	\
 	} while(0)
+
+#define	asn_DEF	asn_DEF_Certificate	/* for ../decoder-template.c */