diff --git a/source/enemy/nclam.h b/source/enemy/nclam.h
index e07d0a736..b2e6ef1fe 100644
--- a/source/enemy/nclam.h
+++ b/source/enemy/nclam.h
@@ -16,6 +16,8 @@
 
 class CNpcClamEnemy : public CNpcEnemy
 {
+public:
+	virtual u8			canCollideWithEnemy()					{return( false );}
 protected:
 	virtual void		processUserCollision( CThing *thisThing );
 	virtual void		processEnemyCollision( CThing *thisThing );
@@ -35,6 +37,7 @@ class CNpcStaticClamEnemy : public CNpcClamEnemy
 public:
 	virtual void		postInit();
 	//virtual int			checkCollisionAgainst(CThing *_thisThing, int _frames);
+	virtual u8			hasBeenAttacked()						{return( false );}
 protected:
 	virtual void		collidedWith(CThing *_thisThing);
 	//virtual void		processShot( int _frames );
diff --git a/source/enemy/npcdata.cpp b/source/enemy/npcdata.cpp
index eaf5b9aac..17a05f311 100644
--- a/source/enemy/npcdata.cpp
+++ b/source/enemy/npcdata.cpp
@@ -882,7 +882,7 @@ CNpcEnemy::NPC_DATA CNpcEnemy::m_data[NPC_UNIT_TYPE_MAX] =
 		false,
 		3,
 		2048,
-		DETECT_NO_COLLISION,
+		DETECT_ALL_COLLISION,
 		DAMAGE__HIT_ENEMY,
 		256,
 		ANIM_FLYINGDUTCHMAN_FLY,