diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 10abae00ff..ca8bbaf4ef 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-17  Yurij Grechishhev  <yurij.grechishhev@gmail.com>
+
+	* ser-base.h (ser_base_setstopbits): Change second argument name
+	from "rate" to "num".
+
 2015-03-17  Gary Benson <gbenson@redhat.com>
 	    Luke Allardyce <lukeallardyce@gmail.com>
 
diff --git a/gdb/ser-base.h b/gdb/ser-base.h
index 2aba66d368..6aac925636 100644
--- a/gdb/ser-base.h
+++ b/gdb/ser-base.h
@@ -42,7 +42,7 @@ extern int ser_base_noflush_set_tty_state (struct serial *scb,
 					   serial_ttystate new_ttystate,
 					   serial_ttystate old_ttystate);
 extern int ser_base_setbaudrate (struct serial *scb, int rate);
-extern int ser_base_setstopbits (struct serial *scb, int rate);
+extern int ser_base_setstopbits (struct serial *scb, int num);
 extern int ser_base_drain_output (struct serial *scb);
 
 extern int ser_base_write (struct serial *scb, const void *buf, size_t count);