diff --git a/NPSimulation/ressources/icons/check.png b/NPSimulation/ressources/icons/check.png
new file mode 100644
index 0000000000000000000000000000000000000000..641c02abff91e40e3fbcc6a93c24cbb7bff06e08
Binary files /dev/null and b/NPSimulation/ressources/icons/check.png differ
diff --git a/NPSimulation/ressources/macro/gui.mac.in b/NPSimulation/ressources/macro/gui.mac.in
index 6d1c0b731edf06d737ec108649d4a7089359de00..fade482025982a4e0a02283502e9764a45b6bff8 100644
--- a/NPSimulation/ressources/macro/gui.mac.in
+++ b/NPSimulation/ressources/macro/gui.mac.in
@@ -41,4 +41,5 @@
 /gui/addIcon "Right" user_icon    "{gui_right}" @CMAKE_BINARY_DIR@/ressources/icons/arrow-right.png
 /gui/addIcon "Zoom in" user_icon  "{gui_zoomin}" @CMAKE_BINARY_DIR@/ressources/icons/zoomin.png
 /gui/addIcon "Zoom out" user_icon "{gui_zoomout}" @CMAKE_BINARY_DIR@/ressources/icons/zoomout.png
-
+/gui/addIcon "the great void" user_icon "{gui_empty}" @CMAKE_BINARY_DIR@/ressources/icons/empty.png
+/gui/addIcon "Check geometry" user_icon "/geometry/test/run" @CMAKE_BINARY_DIR@/ressources/icons/check.png