diff --git a/include/net/irda/irlmp_event.h b/include/net/irda/irlmp_event.h
index e03ae4a..9e4ec17 100644
--- a/include/net/irda/irlmp_event.h
+++ b/include/net/irda/irlmp_event.h
@@ -79,8 +79,8 @@
 	LM_LAP_IDLE_TIMEOUT,
 } IRLMP_EVENT;
 
-extern const char *irlmp_state[];
-extern const char *irlsap_state[];
+extern const char *const irlmp_state[];
+extern const char *const irlsap_state[];
 
 void irlmp_watchdog_timer_expired(void *data);
 void irlmp_discovery_timer_expired(void *data);