diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
index d22361aa8..3edc215e5 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/Dungeon.java
@@ -780,7 +780,7 @@ public class Dungeon {
 	}
 
 	public static void updateLevelExplored(){
-		if (branch == 0 && level instanceof RegularLevel){
+		if (branch == 0 && level instanceof RegularLevel && !Dungeon.bossLevel()){
 			Statistics.floorsExplored.put( depth, level.isLevelExplored(depth));
 		}
 	}