diff --git a/lib/mapObjects/ObstacleSetHandler.cpp b/lib/mapObjects/ObstacleSetHandler.cpp
index 0b5f96ab6..427ff59df 100644
--- a/lib/mapObjects/ObstacleSetHandler.cpp
+++ b/lib/mapObjects/ObstacleSetHandler.cpp
@@ -142,9 +142,9 @@ ObstacleSet::EMapLevel ObstacleSet::getLevel() const
 	return level;
 }
 
-void ObstacleSet::setLevel(ObstacleSet::EMapLevel level)
+void ObstacleSet::setLevel(ObstacleSet::EMapLevel newLevel)
 {
-	this->level = level;
+	level = newLevel;
 }
 
 std::set<FactionID> ObstacleSet::getFactions() const