Index: uspace/lib/c/generic/async/ports.c
===================================================================
--- uspace/lib/c/generic/async/ports.c	(revision ccbd2e1e0054355c5bc7637afb0c9cf3c9089c3c)
+++ uspace/lib/c/generic/async/ports.c	(revision ba25c4bbca58a62473323b0e9c57e9cb14bcbf5a)
@@ -123,5 +123,5 @@
 
 /** Operations for the port hash table. */
-static hash_table_ops_t interface_hash_table_ops = {
+static const hash_table_ops_t interface_hash_table_ops = {
 	.hash = interface_hash,
 	.key_hash = interface_key_hash,
@@ -151,5 +151,5 @@
 
 /** Operations for the port hash table. */
-static hash_table_ops_t port_hash_table_ops = {
+static const hash_table_ops_t port_hash_table_ops = {
 	.hash = port_hash,
 	.key_hash = port_key_hash,
Index: uspace/lib/c/generic/async/server.c
===================================================================
--- uspace/lib/c/generic/async/server.c	(revision ccbd2e1e0054355c5bc7637afb0c9cf3c9089c3c)
+++ uspace/lib/c/generic/async/server.c	(revision ba25c4bbca58a62473323b0e9c57e9cb14bcbf5a)
@@ -250,5 +250,5 @@
 
 /** Operations for the client hash table. */
-static hash_table_ops_t client_hash_table_ops = {
+static const hash_table_ops_t client_hash_table_ops = {
 	.hash = client_hash,
 	.key_hash = client_key_hash,
@@ -511,5 +511,5 @@
 
 /** Operations for the notification hash table. */
-static hash_table_ops_t notification_hash_table_ops = {
+static const hash_table_ops_t notification_hash_table_ops = {
 	.hash = notification_hash,
 	.key_hash = notification_key_hash,