1 files changed, 10 insertions, 0 deletions
diff --git a/crawl-ref/source/misc.cc b/crawl-ref/source/misc.cc
index d7d8fb9c1b..e70d5fa9e3 100644
--- a/crawl-ref/source/misc.cc
+++ b/crawl-ref/source/misc.cc
@@ -1676,6 +1676,11 @@ void up_stairs(dungeon_feature_type force_stair,
         return;
     }
 
+    // Bail if any markers veto the move.
+    if (!dungeon_events.fire_vetoable_position_event(DETV_LEAVE_LEVEL,
+                                                     you.pos()))
+        return;
+
     // Checks are done, the character is committed to moving between levels.
     leaving_level_now();
 
@@ -2056,6 +2061,11 @@ void down_stairs( int old_level, dungeon_feature_type force_stair,
         }
     }
 
+    // Bail if any markers veto the move.
+    if (!dungeon_events.fire_vetoable_position_event(DETV_LEAVE_LEVEL,
+                                                     you.pos()))
+        return;
+
     const level_id destination_override(_stair_destination_override());
 
     // All checks are done, the player is on the move now.