diff --git a/gdbstub.c b/gdbstub.c
index 8155eedf9ce8a37c3f5937de695d13b3ec470ff3..9d3951336f28ff04d0945bd1c9c8ed65beff3820 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1631,7 +1631,7 @@ static int gdbserver_open(int port)
         close(fd);
         return -1;
     }
-    ret = listen(fd, 0);
+    ret = listen(fd, 1);
     if (ret < 0) {
         perror("listen");
         close(fd);