BIT STRING decode for OER
diff --git a/examples/sample.source.1609.2/Makefile b/examples/sample.source.1609.2/Makefile
index b57dc68..43b9620 100644
--- a/examples/sample.source.1609.2/Makefile
+++ b/examples/sample.source.1609.2/Makefile
@@ -288,6 +288,7 @@
 ASN_MODULE_SOURCES+=constr_SEQUENCE_oer.c
 ASN_MODULE_SOURCES+=constr_CHOICE_oer.c
 ASN_MODULE_SOURCES+=constr_SET_OF_oer.c
+ASN_MODULE_SOURCES+=BIT_STRING_oer.c
 ASN_CONVERTER_SOURCES+=pdu_collection.c