diff --git a/TR5Main/Game/collide.cpp b/TR5Main/Game/collide.cpp
index 4f7663094..c9c6e724c 100644
--- a/TR5Main/Game/collide.cpp
+++ b/TR5Main/Game/collide.cpp
@@ -600,17 +600,19 @@ void MoveItem(ITEM_INFO* item, short angle, int x, int y)
 	if (!x && !y)
 		return;
 
-	auto s = phd_sin(angle);
-	auto c = phd_cos(angle);
-
 	if (x != 0)
 	{
+		auto s = phd_sin(angle);
+		auto c = phd_cos(angle);
 		item->pos.xPos += round(x * s);
 		item->pos.zPos += round(x * c);
 	}
 
 	if (y != 0)
 	{
+
+		auto s = phd_sin(angle + ANGLE(90));
+		auto c = phd_cos(angle + ANGLE(90));
 		item->pos.xPos += round(y * s);
 		item->pos.zPos += round(y * c);
 	}