--- a/ui/server/toolkit.c	Sat Feb 21 20:02:31 2026 +0100
+++ b/ui/server/toolkit.c	Sun Mar 15 12:06:03 2026 +0100
@@ -53,7 +53,7 @@
 static uint64_t srv_obj_id_counter = 0;
 
 void ui_init(const char *appname, int argc, char **argv) {
-    ui_app_name = appname;
+    ui_app_name = appname ? strdup(appname) : NULL;
     
     message_handler = uic_simple_msg_handler(STDIN_FILENO, STDOUT_FILENO, ui_server_message_received);