diff --git a/game/level.cc b/game/level.cc
index 9b982c3..2a1276e 100644
--- a/game/level.cc
+++ b/game/level.cc
@@ -169,7 +169,7 @@ void Level::update(float runTimeSinceLastUpdate, float runTime, glm::vec2 mouseD
         mouseDelta.x=mouseDelta.y=0;
     }
     
-    int runs = 4;
+    const int runs = 4;
     
     if(i>=20)
     {