diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 8d3acbabe5b..6e51f73606f 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,8 @@
+2013-02-28  Yao Qi  <yao@codesourcery.com>
+
+	* tracepoint.c (cmd_qtbuffer): Call phex_nz instead of
+	pulongest.
+
 2013-02-27  Jiong Wang  <jiwang@tilera.com>
 
 	* Makefile.in (clean): Remove reg-tilegx.c, reg-tilegx32.c.
diff --git a/gdb/gdbserver/tracepoint.c b/gdb/gdbserver/tracepoint.c
index ba681c4fdd3..0f83ae6d092 100644
--- a/gdb/gdbserver/tracepoint.c
+++ b/gdb/gdbserver/tracepoint.c
@@ -3969,7 +3969,7 @@ cmd_qtbuffer (char *own_buf)
   unpack_varlen_hex (packet, &num);
 
   trace_debug ("Want to get trace buffer, %d bytes at offset 0x%s",
-	       (int) num, pulongest (offset));
+	       (int) num, phex_nz (offset, 0));
 
   tot = (trace_buffer_hi - trace_buffer_lo) - free_space ();