diff --git a/src/graphics/graphics.c b/src/graphics/graphics.c
index be07b1f..c2c0f9f 100644
--- a/src/graphics/graphics.c
+++ b/src/graphics/graphics.c
@@ -831,8 +831,10 @@ void main_test_graphics (void)
         for (int u = 0; u < min_x; u++)
             for (int v = 0; v < min_y; v++)
                 for (int w = 0; w < min_z; w++)
-                    if (u + v + w < mxyz)
+                    if (u + v + w < mxyz) {
     arrows_nb = set_arrow (arrows_ptr, arrows_nb, 1, 1, 1, 0, i, u, v, w, 0);
+    arrows_nb = set_arrow (arrows_ptr, arrows_nb, space_X, space_Y, space_Z, 0, i, space_X - u, space_Y - v, space_Z - w, 0);
+    }
 
     printf("\n+ effacement des flèches dans l'angle-origine\
   <=>  contrôle graphique de la fonction erase_arrow()\n");