diff --git a/src/UI/Canvas/Rulers/Guide.gd b/src/UI/Canvas/Rulers/Guide.gd
index 17c0140e6..a142bcee0 100644
--- a/src/UI/Canvas/Rulers/Guide.gd
+++ b/src/UI/Canvas/Rulers/Guide.gd
@@ -16,7 +16,10 @@ func _ready() -> void:
 
 
 func _input(_event : InputEvent):
-	mouse_pos = get_local_mouse_position()
+	var tmp_transform = get_canvas_transform().affine_inverse()
+	var tmp_position = Global.main_viewport.get_local_mouse_position()
+	mouse_pos = tmp_transform.basis_xform(tmp_position) + tmp_transform.origin
+
 	if points.size() < 2:
 		return
 	var point0 := points[0]