diff --git a/include/extern.h b/include/extern.h
index 8ad793291..699d9bf8c 100644
--- a/include/extern.h
+++ b/include/extern.h
@@ -907,11 +907,12 @@ E void NDECL(remove_gold_from_invent);
 #endif
 E struct obj *FDECL(getobj, (const char *,const char *));
 E int FDECL(ggetobj, (const char *,int (*)(OBJ_P),int,BOOLEAN_P,unsigned *));
+E int FDECL(askchain, (struct obj **,const char *,int,int (*)(OBJ_P),
+			int (*)(OBJ_P),int,const char *));
 E void FDECL(fully_identify_obj, (struct obj *));
 E int FDECL(identify, (struct obj *));
 E void FDECL(identify_pack, (int,BOOLEAN_P));
-E int FDECL(askchain, (struct obj **,const char *,int,int (*)(OBJ_P),
-			int (*)(OBJ_P),int,const char *));
+E void NDECL(learn_unseen_invent);
 E void FDECL(prinv, (const char *,struct obj *,long));
 E char *FDECL(xprname, (struct obj *,const char *,CHAR_P,BOOLEAN_P,long,long));
 E int NDECL(ddoinv);
diff --git a/src/invent.c b/src/invent.c
index c98c2fe5d..369fddcda 100644
--- a/src/invent.c
+++ b/src/invent.c
@@ -1692,6 +1692,27 @@ boolean learning_id;	/* true if we just read unknown identify scroll */
     update_inventory();
 }
 
+/* called when regaining sight; mark inventory objects which were picked
+   up while blind as now having been seen */
+void
+notice_unseen_invent()
+{
+    struct obj *otmp;
+
+    if (Blind) return;	/* sanity check */
+
+    for (otmp = invent; otmp; otmp = otmp->nobj) {
+	if (otmp->dknown) continue;	/* already seen */
+	/* set dknown, perhaps bknown (for priest[ess]) */
+	(void) xname(otmp);
+	/*
+	 * If object->eknown gets implemented (see learnwand(zap.c)),
+	 * handle deferred discovery here.
+	 */
+    }
+    update_inventory();
+}
+
 STATIC_OVL char
 obj_to_let(obj)	/* should of course only be called for things in invent */
 register struct obj *obj;
diff --git a/src/potion.c b/src/potion.c
index b0819b8e3..31b53af3d 100644
--- a/src/potion.c
+++ b/src/potion.c
@@ -285,6 +285,9 @@ boolean talk;
 	       got the message "a door appears in the wall") */
 	    vision_recalc(0);
 	    if (Blind_telepat || Infravision) see_monsters();
+
+	    /* update dknown flag for inventory picked up while blind */
+	    if (can_see_now) learn_unseen_invent();
 	}
 }