diff --git a/src/include/lwip/stats.h b/src/include/lwip/stats.h
index 015b7ce7..1f5152a9 100644
--- a/src/include/lwip/stats.h
+++ b/src/include/lwip/stats.h
@@ -271,9 +271,9 @@ void stats_init(void);
 /* Display of statistics */
 #if LWIP_STATS_DISPLAY
 void stats_display(void);
-void stats_display_proto(struct stats_proto *proto, char *name);
+void stats_display_proto(struct stats_proto *proto, const char *name);
 void stats_display_igmp(struct stats_igmp *igmp);
-void stats_display_mem(struct stats_mem *mem, char *name);
+void stats_display_mem(struct stats_mem *mem, const char *name);
 void stats_display_memp(struct stats_mem *mem, int index);
 void stats_display_sys(struct stats_sys *sys);
 #else /* LWIP_STATS_DISPLAY */