diff --git a/skeletons/OCTET_STRING.h b/skeletons/OCTET_STRING.h
index ade23bf..cbd1def 100644
--- a/skeletons/OCTET_STRING.h
+++ b/skeletons/OCTET_STRING.h
@@ -71,7 +71,7 @@
  * Internally useful stuff. *
  ****************************/
 
-typedef const struct asn_OCTET_STRING_specifics_s {
+typedef struct asn_OCTET_STRING_specifics_s {
 	/*
 	 * Target structure description.
 	 */