diff --git a/src/lock.c b/src/lock.c
index 364031635..1165e63ce 100644
--- a/src/lock.c
+++ b/src/lock.c
@@ -911,7 +911,7 @@ doopen_indir(coordxy x, coordxy y)
         } else
             door->doormask = D_ISOPEN;
         feel_newsym(cc.x, cc.y); /* the hero knows she opened it */
-        unblock_point(cc.x, cc.y); /* vision: new see through there */
+        recalc_block_point(cc.x, cc.y); /* vision: new see through there */
     } else {
         exercise(A_STR, TRUE);
         set_msg_xy(cc.x, cc.y);
diff --git a/src/monmove.c b/src/monmove.c
index ceb4927a1..a460e9841 100644
--- a/src/monmove.c
+++ b/src/monmove.c
@@ -1502,7 +1502,7 @@ postmov(
     do {                                                        \
         (where)->doormask = (what);                             \
         newsym((who)->mx, (who)->my);                           \
-        unblock_point((who)->mx, (who)->my);                    \
+        recalc_block_point((who)->mx, (who)->my);               \
         vision_recalc(0);                                       \
         /* update cached value since it might change */         \
         canseeit = didseeit || cansee((who)->mx, (who)->my);    \