diff --git a/examples/sample.source.MHEG5/Makefile b/examples/sample.source.MHEG5/Makefile
index 7dfede2..7617a6e 100644
--- a/examples/sample.source.MHEG5/Makefile
+++ b/examples/sample.source.MHEG5/Makefile
@@ -474,7 +474,7 @@
 regen: regenerate-from-asn1-source
 
 regenerate-from-asn1-source:
-	../../asn1c/asn1c -S ../../skeletons -fcompound-names ../ISO13522-MHEG-5.asn
+	../../asn1c/asn1c -S ../../skeletons -pdu=InterchangedObject -fcompound-names ../ISO13522-MHEG-5.asn
 
 
 InterchangedObject.c: ../sample.makefile.regen ../ISO13522-MHEG-5.asn