diff --git a/lib/thread.c b/lib/thread.c
index e89af54..af52b05 100644
--- a/lib/thread.c
+++ b/lib/thread.c
@@ -303,7 +303,7 @@
   void *args[3] = {&tmp, vty, &filter};
 
   memset(&tmp, 0, sizeof tmp);
-  tmp.funcname = "TOTAL";
+  tmp.funcname = (char *)"TOTAL";
   tmp.types = filter;
 
 #ifdef HAVE_RUSAGE
diff --git a/lib/thread.h b/lib/thread.h
index b52bc54..937bedb 100644
--- a/lib/thread.h
+++ b/lib/thread.h
@@ -82,7 +82,7 @@
 struct cpu_thread_history 
 {
   int (*func)(struct thread *);
-  const char *funcname;
+  char *funcname;
   unsigned int total_calls;
   struct time_stats
   {