diff --git a/src/apply.c b/src/apply.c
index d90beaac0..2858e0880 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -1832,7 +1832,7 @@ struct obj *tstone;
     char stonebuf[QBUFSZ];
     static const char scritch[] = "\"scritch, scritch\"";
     static const char allowall[3] = { COIN_CLASS, ALL_CLASSES, 0 };
-    static const char justgems[3] = { ALLOW_NONE, GEM_CLASS, 0 };
+    static const char coins_gems[3] = { COIN_CLASS, GEM_CLASS, 0 };
 #ifndef GOLDOBJ
     struct obj goldobj;
 #endif
@@ -1842,7 +1842,7 @@ struct obj *tstone;
     /* when the touchstone is fully known, don't bother listing extra
        junk as likely candidates for rubbing */
     choices = (tstone->otyp == TOUCHSTONE && tstone->dknown &&
-		objects[TOUCHSTONE].oc_name_known) ? justgems : allowall;
+		objects[TOUCHSTONE].oc_name_known) ? coins_gems : allowall;
     Sprintf(stonebuf, "rub on the stone%s", plur(tstone->quan));
     if ((obj = getobj(choices, stonebuf)) == 0)
 	return;