diff -r 54e43e4efac2 -r 1e1df80772ed ui/common/toolbar.c
--- a/ui/common/toolbar.c	Thu Oct 09 12:49:53 2025 +0200
+++ b/ui/common/toolbar.c	Thu Oct 09 18:23:07 2025 +0200
@@ -55,6 +55,7 @@
     newargs.label = nl_strdup(args->label);
     newargs.stockid = nl_strdup(args->stockid);
     newargs.icon = nl_strdup(args->icon);
+    newargs.tooltip = nl_strdup(args->tooltip);
     newargs.onclick = args->onclick;
     newargs.onclickdata = args->onclickdata;
     newargs.groups = uic_copy_groups(args->groups, ngroups);
@@ -74,6 +75,7 @@
     newargs.label = nl_strdup(args->label);
     newargs.stockid = nl_strdup(args->stockid);
     newargs.icon = nl_strdup(args->icon);
+    newargs.tooltip = nl_strdup(args->tooltip);
     newargs.varname = nl_strdup(args->varname);
     newargs.onchange = args->onchange;
     newargs.onchangedata = args->onchangedata;
@@ -93,6 +95,7 @@
     newargs.label = nl_strdup(args->label);
     newargs.stockid = nl_strdup(args->stockid);
     newargs.icon = nl_strdup(args->icon);
+    newargs.tooltip = nl_strdup(args->tooltip);
     return newargs;
 }