diff --git a/src/game/collision.cpp b/src/game/collision.cpp
index ec67c84ee..ea2dec54b 100644
--- a/src/game/collision.cpp
+++ b/src/game/collision.cpp
@@ -293,7 +293,7 @@ int CCollision::IntersectNoLaser(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2
 	return 0;
 }
 
-int CCollision::IntersectNoLaser(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision)
+int CCollision::IntersectNoLaserNW(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision)
 {
 	float d = distance(Pos0, Pos1);
 	vec2 Last = Pos0;
diff --git a/src/game/collision.h b/src/game/collision.h
index 6fbbf986d..e4dac1807 100644
--- a/src/game/collision.h
+++ b/src/game/collision.h
@@ -29,6 +29,7 @@ public:
 	int GetHeight() { return m_Height; };
 	int IntersectLine(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision, bool AllowThrough);
 	int IntersectNoLaser(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision);
+	int IntersectNoLaserNW(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision);
 	int IntersectAir(vec2 Pos0, vec2 Pos1, vec2 *pOutCollision, vec2 *pOutBeforeCollision);
 	void MovePoint(vec2 *pInoutPos, vec2 *pInoutVel, float Elasticity, int *Bpounces);
 	void MoveBox(vec2 *pInoutPos, vec2 *pInoutVel, vec2 Size, float Elasticity);