diff -ru qemu-10.0.2/util/oslib-posix.c qemu-10.0.2-x86_64/util/oslib-posix.c
--- qemu-10.0.2/util/oslib-posix.c	2025-05-29 01:05:47.000000000 +0300
+++ qemu-10.0.2-x86_64/util/oslib-posix.c	2025-08-18 02:38:04.839116456 +0300
@@ -128,7 +128,39 @@
 
 int qemu_daemon(int nochdir, int noclose)
 {
+#if defined(__banan_os__)
+	const pid_t pid = fork();
+	if (pid == -1) {
+		return -1;
+	}
+	if (pid > 0) {
+		exit(0);
+	}
+
+	if (setsid() == -1) {
+		return -1;
+	}
+
+	if (nochdir == 0) {
+		if (chdir("/") == -1) {
+			return -1;
+		}
+	}
+
+	if (noclose == 0) {
+		int fd = open("/dev/null", O_RDWR);
+		if (fd == -1) {
+			return -1;
+		}
+		dup2(fd, STDIN_FILENO);
+		dup2(fd, STDOUT_FILENO);
+		dup2(fd, STDERR_FILENO);
+	}
+
+	return 0;
+#else
     return daemon(nochdir, noclose);
+#endif
 }
 
 bool qemu_write_pidfile(const char *path, Error **errp)