diff --git a/source/enemy/nmjfish.cpp b/source/enemy/nmjfish.cpp
index fd2da4033..9e153e0f5 100644
--- a/source/enemy/nmjfish.cpp
+++ b/source/enemy/nmjfish.cpp
@@ -929,3 +929,19 @@ void CNpcMotherJellyfishEnemy::collidedWith(CThing *_thisThing)
 		}
 	}
 }
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+u8 CNpcMotherJellyfishEnemy::hasBeenAttacked()
+{
+	if ( !alwaysThink() )
+	{
+		if ( m_controlFunc != NPC_CONTROL_SHOT )
+		{
+			m_controlFunc = NPC_CONTROL_SHOT;
+			m_state = NPC_GENERIC_HIT_CHECK_HEALTH;
+		}
+	}
+
+	return( true );
+}
diff --git a/source/enemy/nmjfish.h b/source/enemy/nmjfish.h
index d8fac8e86..e546d1b09 100644
--- a/source/enemy/nmjfish.h
+++ b/source/enemy/nmjfish.h
@@ -33,6 +33,7 @@ public:
 	void				shutdown();
 	void				setupWaypoints( sThingActor *ThisActor );
 	bool				alwaysThink();
+	u8					hasBeenAttacked();
 
 protected:
 	void				processClose( int _frames );