diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c
index d14b2896bf..cd4a5d7335 100644
--- a/contrib/vhost-user-blk/vhost-user-blk.c
+++ b/contrib/vhost-user-blk/vhost-user-blk.c
@@ -593,7 +593,8 @@ static GOptionEntry entries[] = {
     {"blk-file", 'b', 0, G_OPTION_ARG_FILENAME, &opt_blk_file,
      "block device or file path", "PATH"},
     { "read-only", 'r', 0, G_OPTION_ARG_NONE, &opt_read_only,
-      "Enable read-only", NULL }
+      "Enable read-only", NULL },
+    { NULL, },
 };
 
 int main(int argc, char **argv)