diff --git a/gdbstub.c b/gdbstub.c
index a5806ef6c4..7d470b608e 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2762,11 +2762,13 @@ static int gdbserver_open(int port)
     ret = bind(fd, (struct sockaddr *)&sockaddr, sizeof(sockaddr));
     if (ret < 0) {
         perror("bind");
+        close(fd);
         return -1;
     }
     ret = listen(fd, 0);
     if (ret < 0) {
         perror("listen");
+        close(fd);
         return -1;
     }
     return fd;