diff --git a/skeletons/OCTET_STRING_aper.c b/skeletons/OCTET_STRING_aper.c
index 1f74918ae..f70ea2925 100644
--- a/skeletons/OCTET_STRING_aper.c
+++ b/skeletons/OCTET_STRING_aper.c
@@ -269,10 +269,8 @@ OCTET_STRING_encode_aper(const asn_TYPE_descriptor_t *td,
     case ASN_OSUBV_ANY:
     case ASN_OSUBV_STR:
         canonical_unit_bits = unit_bits = 8;
-/*
         if(cval->flags & APC_CONSTRAINED)
-            unit_bits = 8;
-*/
+            unit_bits = cval->range_bits;
         bpc = OS__BPC_CHAR;
         sizeinunits = st->size;
         break;