diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Preparation.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Preparation.java
index e95526bcb..ce1de6d2b 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Preparation.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/buffs/Preparation.java
@@ -298,6 +298,7 @@ public class Preparation extends Buff implements ActionIndicator.Action {
 				Dungeon.level.occupyCell(Dungeon.hero);
 				//prevents the hero from being interrupted by seeing new enemies
 				Dungeon.observe();
+				GameScene.updateFog();
 				Dungeon.hero.checkVisibleMobs();
 				
 				Dungeon.hero.sprite.place( Dungeon.hero.pos );