diff --git a/TestViewer/MainWindow.xaml.cs b/TestViewer/MainWindow.xaml.cs
index 6fd7898..8eade2e 100644
--- a/TestViewer/MainWindow.xaml.cs
+++ b/TestViewer/MainWindow.xaml.cs
@@ -248,12 +248,12 @@ private void DrawImages (uint frame)
             bboxZY.origin_x = bbox.origin_x + bbox.dir1_x / 2;
             bboxZY.origin_y = bbox.origin_y + bbox.dir1_y / 2;
             bboxZY.origin_z = bbox.origin_z + bbox.dir1_z / 2;
-            bboxZY.dir1_x = bbox.dir3_x;
-            bboxZY.dir1_y = bbox.dir3_y;
-            bboxZY.dir1_z = bbox.dir3_z;
-            bboxZY.dir2_x = bbox.dir2_x;
-            bboxZY.dir2_y = bbox.dir2_y;
-            bboxZY.dir2_z = bbox.dir2_z;
+            bboxZY.dir1_x = bbox.dir2_x;
+            bboxZY.dir1_y = bbox.dir2_y;
+            bboxZY.dir1_z = bbox.dir2_z;
+            bboxZY.dir2_x = bbox.dir3_x;
+            bboxZY.dir2_y = bbox.dir3_y;
+            bboxZY.dir2_z = bbox.dir3_z;
             bboxZY.dir3_x = 0;
             bboxZY.dir3_y = 0;
             bboxZY.dir3_z = 0;