diff -r e57e2874fb2a -r d1420f5c5704 src/main.c
--- a/src/main.c	Mon Aug 24 16:13:51 2026 +0200
+++ b/src/main.c	Tue Aug 25 18:35:18 2026 +0200
@@ -1038,6 +1038,7 @@
 
 static int server_fd = -1;
 static void interrupt_listen(int sig) {
+    (void)sig; /* unused */
     if (server_fd > -1) {
         // this interrupts
         close(server_fd);