diff --git a/skeletons/OCTET_STRING.c b/skeletons/OCTET_STRING.c
index f2dd1c6..7b83b61 100644
--- a/skeletons/OCTET_STRING.c
+++ b/skeletons/OCTET_STRING.c
@@ -1537,7 +1537,7 @@
 
 	st = (OCTET_STRING_t *)CALLOC(1, specs->struct_size);
 	if(st && str && OCTET_STRING_fromBuf(st, str, len)) {
-		free(st);
+		FREEMEM(st);
 		st = NULL;
 	}