diff --git a/src/cc/rogue/pack.c b/src/cc/rogue/pack.c
index 1589d4d34..0c967a85b 100644
--- a/src/cc/rogue/pack.c
+++ b/src/cc/rogue/pack.c
@@ -165,7 +165,7 @@ out:
 bool
 pack_room(struct rogue_state *rs,bool from_floor, THING *obj)
 {
-    inpack = num_packitems();
+    inpack = num_packitems(rs);
     if (++inpack > MAXPACK)
     {
 	if (!terse)
@@ -247,7 +247,7 @@ pack_char()
  *	the given type.
  */
 
-int32_t num_packitems()
+int32_t num_packitems(struct rogue_state *rs)
 {
     THING *list = pack;
     int32_t type = 0,n = 0,total = 0;
diff --git a/src/cc/rogue/rogue.h b/src/cc/rogue/rogue.h
index 905a5ed36..515c1d44a 100644
--- a/src/cc/rogue/rogue.h
+++ b/src/cc/rogue/rogue.h
@@ -802,7 +802,7 @@ THING	*leave_pack(struct rogue_state *rs,THING *obj, bool newobj, bool all);
 THING	*new_item(void);
 THING	*new_thing(struct rogue_state *rs);
 void	end_line(struct rogue_state *rs);
-int32_t num_packitems();
+int32_t num_packitems(struct rogue_state *rs);
 
 void	runners(struct rogue_state *rs,int);
 void	land(struct rogue_state *rs,int);