diff --git a/skeletons/constr_SET.h b/skeletons/constr_SET.h
index a83ca1e..489355a 100644
--- a/skeletons/constr_SET.h
+++ b/skeletons/constr_SET.h
@@ -12,7 +12,7 @@
 #endif
 
 
-typedef const struct asn_SET_specifics_s {
+typedef struct asn_SET_specifics_s {
 	/*
 	 * Target structure description.
 	 */