diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index de2661cd0328500414c652af202a8928bd9ad89c..974765b7d92a75546fe5ae5dbc332078a54f627a 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -54,7 +54,7 @@
 
 static int open_count;
 
-static struct header_ops lowpan_header_ops = {
+static const struct header_ops lowpan_header_ops = {
 	.create	= lowpan_header_create,
 };