diff --git a/cpu-all.h b/cpu-all.h
index 00c4c4d..db84423 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -797,7 +797,7 @@
     const char *help;
 } CPULogItem;
 
-extern CPULogItem cpu_log_items[];
+extern const CPULogItem cpu_log_items[];
 
 void cpu_set_log(int log_flags);
 void cpu_set_log_filename(const char *filename);