diff --git a/src/core/snmp/mib2.c b/src/core/snmp/mib2.c
index d5919c39..89ab1307 100644
--- a/src/core/snmp/mib2.c
+++ b/src/core/snmp/mib2.c
@@ -738,7 +738,7 @@ const struct mib_array_node mgmt = {
 /* When using a private MIB, you have to create a file 'private_mib.h' that contains
  * a 'struct mib_array_node mib_private' which contains your MIB. */
 s32_t internet_ids[2] = { 2, 4 };
-struct mib_node* const internet_nodes[2] = { (struct mib_node*)&mgmt, (struct mib_node*)&mib_private };
+const struct mib_node* const internet_nodes[2] = { (struct mib_node*)&mgmt, (struct mib_node*)&mib_private };
 const struct mib_array_node internet = {
   &noleafs_get_object_def,
   &noleafs_get_value,