Index: applications/editors/josm/plugins/terracer/src/terracer/TerracerAction.java
===================================================================
--- applications/editors/josm/plugins/terracer/src/terracer/TerracerAction.java	(revision 27549)
+++ applications/editors/josm/plugins/terracer/src/terracer/TerracerAction.java	(revision 27826)
@@ -71,5 +71,5 @@
                 Shortcut.registerShortcut("tools:Terracer", tr("Tool: {0}",
                         tr("Terrace a building")), KeyEvent.VK_T,
-                        Shortcut.GROUP_EDIT, Shortcut.SHIFT_DEFAULT), true);
+                        Shortcut.GROUP_EDIT+Shortcut.GROUPS_ALT1), true);
     }