diff --git a/core/src/io/anuke/mindustry/input/InputHandler.java b/core/src/io/anuke/mindustry/input/InputHandler.java
index 672e1e1352..dec7f927fc 100644
--- a/core/src/io/anuke/mindustry/input/InputHandler.java
+++ b/core/src/io/anuke/mindustry/input/InputHandler.java
@@ -804,12 +804,12 @@ public abstract class InputHandler implements InputProcessor, GestureListener{
     void iterateLine(int startX, int startY, int endX, int endY, Cons<PlaceLine> cons){
         Array<Point2> points;
         boolean diagonal = Core.input.keyDown(Binding.diagonal_placement);
-        if(Core.settings.getBool("swapdiagonal")){
+        if(Core.settings.getBool("swapdiagonal") && mobile){
             diagonal = !diagonal;
         }
 
         if(diagonal){
-            points = PlaceUtils.normalizeDiagonal(startX, startY, endX, endY);
+            points = PlaceUtils.pathfindLine(startX, startY, endX, endY);
         }else{
             points = PlaceUtils.normalizeLine(startX, startY, endX, endY);
         }
diff --git a/core/src/io/anuke/mindustry/input/PlaceUtils.java b/core/src/io/anuke/mindustry/input/PlaceUtils.java
index 79a358e286..fa21a9a021 100644
--- a/core/src/io/anuke/mindustry/input/PlaceUtils.java
+++ b/core/src/io/anuke/mindustry/input/PlaceUtils.java
@@ -16,7 +16,7 @@ public class PlaceUtils{
     private static Array<Point2> points = new Array<>();
 
     /** Normalize a diagonal line into points. */
-    public static Array<Point2> normalizeDiagonal(int startX, int startY, int endX, int endY){
+    public static Array<Point2> pathfindLine(int startX, int startY, int endX, int endY){
         Pools.freeAll(points);
         points.clear();
         return bres.lineNoDiagonal(startX, startY, endX, endY, Pools.get(Point2.class, Point2::new), points);