diff --git a/lib/rmg/modificators/TreasurePlacer.cpp b/lib/rmg/modificators/TreasurePlacer.cpp
index 7231aeb3b..3850dd973 100644
--- a/lib/rmg/modificators/TreasurePlacer.cpp
+++ b/lib/rmg/modificators/TreasurePlacer.cpp
@@ -477,6 +477,7 @@ void TreasurePlacer::addAllPossibleObjects()
 			}
 
 			oi.probability = 10;
+			oi.maxPerZone = 1;
 			
 			oi.generateObject = [i, randomAppearance, this, qap]() -> CGObjectInstance *
 			{