diff --git a/src/keyboard.h b/src/keyboard.h
index 1c36e11d1b8..325ff4565ce 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -174,10 +174,10 @@ extern Lisp_Object Vlucid_menu_bar_dirty_flag;
 extern Lisp_Object Qrecompute_lucid_menubar, Qactivate_menubar_hook;
 
 /* Total number of times read_char has returned.  */
-extern int num_input_chars;
+extern int num_input_events;
 
 /* Total number of times read_char has returned, outside of macros.  */
-extern int num_nonmacro_input_chars;
+extern int num_nonmacro_input_events;
 
 /* Nonzero means polling for input is temporarily suppressed.  */
 extern int poll_suppress_count;