diff --git a/web/gui/src/main/webapp/app/view/topo/topo.js b/web/gui/src/main/webapp/app/view/topo/topo.js
index bfcb15b..a6d54bd 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.js
+++ b/web/gui/src/main/webapp/app/view/topo/topo.js
@@ -287,6 +287,7 @@
                 tps.destroyPanels();
                 tis.destroyInst();
                 tfs.destroyForce();
+                ttbs.destroyToolbar();
             });
 
             // svg layer and initialization of components