diff --git a/ext/fracker.patch b/ext/fracker.patch
index 6a8f07fa..90f02f47 100644
--- a/ext/fracker.patch
+++ b/ext/fracker.patch
@@ -104,14 +104,14 @@ new file mode 100644
 +{
 +    struct iovec to_write[2];
 +
-+    /* TODO properly check the writev syscall */
++    /* TODO properly check the writev syscall (XXX warning is suppressed) */
 +
 +    /* write the object followed by a newline then cleanup */
 +    to_write[0].iov_base = (void *)json_object_to_json_string(object);
 +    to_write[0].iov_len = strlen(to_write[0].iov_base);
 +    to_write[1].iov_base = "\n";
 +    to_write[1].iov_len = 1;
-+    writev(fd, to_write, 2);
++    (void)!writev(fd, to_write, 2);
 +    json_object_put(object);
 +}
 +