diff --git a/Aquaria/Game.cpp b/Aquaria/Game.cpp
index cab97ab..bc20925 100644
--- a/Aquaria/Game.cpp
+++ b/Aquaria/Game.cpp
@@ -1233,6 +1233,8 @@ Game::Game() : StateObject()
 
 	loadEntityTypeList();
 
+	lastCollideMaskIndex = -1;
+
 
 }
 
@@ -8356,7 +8358,7 @@ void Game::registerSporeDrop(const Vector &pos, int t)
 
 bool Game::isEntityCollideWithShot(Entity *e, Shot *shot)
 {
-	if (!shot->isHitEnts())
+	if (!shot->isHitEnts() || shot->firer == e)
 	{
 		return false;
 	}
@@ -8367,24 +8369,17 @@ bool Game::isEntityCollideWithShot(Entity *e, Shot *shot)
 	}
 	if (e->getEntityType() == ET_ENEMY)
 	{
-		if (shot->firer != e)
+		if (shot->getDamageType() == DT_AVATAR_BITE)
 		{
-			if (shot->getDamageType() == DT_AVATAR_BITE)
+			Avatar::BittenEntities::iterator i;
+			for (i = avatar->bittenEntities.begin(); i != avatar->bittenEntities.end(); i++)
 			{
-				Avatar::BittenEntities::iterator i;
-				for (i = avatar->bittenEntities.begin(); i != avatar->bittenEntities.end(); i++)
+				if (e == (*i))
 				{
-					if (e == (*i))
-					{
-						return false;
-					}
+					return false;
 				}
-				return true;
 			}
-		}
-		else
-		{
-			return false;
+			return true;
 		}
 	}
 	else if (e->getEntityType() == ET_AVATAR)