diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mimic.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mimic.java
index e19e1d277..66244cccf 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mimic.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mimic.java
@@ -171,7 +171,7 @@ public class Mimic extends Mob {
 					reward = Generator.random(Generator.Category.RING);
 					break;
 			}
-		} while (reward == null || !Challenges.isItemBlocked(reward));
+		} while (reward == null || Challenges.isItemBlocked(reward));
 		m.items.add(reward);
 		
 		return m;
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/PitRoom.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/PitRoom.java
index 4c0123b4c..73954e055 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/PitRoom.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/levels/rooms/special/PitRoom.java
@@ -66,14 +66,17 @@ public class PitRoom extends SpecialRoom {
 			switch (Random.Int(3)){
 				case 0:
 					mainLoot = Generator.random(Generator.Category.RING);
+					break;
 				case 1:
 					mainLoot = Generator.random(Generator.Category.ARTIFACT);
+					break;
 				case 2:
 					mainLoot = Generator.random(Random.oneOf(
 							Generator.Category.WEAPON,
 							Generator.Category.ARMOR));
+					break;
 			}
-		} while ( mainLoot == null || !Challenges.isItemBlocked(mainLoot));
+		} while ( mainLoot == null || Challenges.isItemBlocked(mainLoot));
 		level.drop(mainLoot, remains);
 		
 		int n = Random.IntRange( 1, 2 );