diff --git a/include/extern.h b/include/extern.h
index f4eca1cbf..8286d1079 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -247,7 +247,7 @@ extern const char *cmdname_from_func(int(*)(void), char *, boolean);
 extern boolean redraw_cmd(char);
 extern const char *levltyp_to_name(int);
 extern void reset_occupations(void);
-extern void set_occupation(int(*)(void), const char *, int);
+extern void set_occupation(int(*)(void), const char *, cmdcount_t);
 extern void cmdq_add_ec(int(*)(void));
 extern void cmdq_add_key(char);
 extern struct _cmd_queue *cmdq_pop(void);
diff --git a/src/cmd.c b/src/cmd.c
index 77380d533..75dfe4423 100644
--- a/src/cmd.c
+++ b/src/cmd.c
@@ -214,7 +214,7 @@ reset_occupations(void)
  * function times out by its own means.
  */
 void
-set_occupation(int (*fn)(void), const char *txt, int xtime)
+set_occupation(int (*fn)(void), const char *txt, cmdcount_t xtime)
 {
     if (xtime) {
         g.occupation = timed_occupation;