diff --git a/lib/thread.h b/lib/thread.h
index 937bedb..978aa6b 100644
--- a/lib/thread.h
+++ b/lib/thread.h
@@ -197,6 +197,7 @@
 /* Internal libzebra exports */
 extern void thread_getrusage (RUSAGE_T *);
 extern struct cmd_element show_thread_cpu_cmd;
+extern struct cmd_element clear_thread_cpu_cmd;
 
 /* replacements for the system gettimeofday(), clock_gettime() and
  * time() functions, providing support for non-decrementing clock on