diff --git a/libbb/bb_xdaemon.c b/libbb/bb_xdaemon.c
index b6328bc9f..218b5247f 100644
--- a/libbb/bb_xdaemon.c
+++ b/libbb/bb_xdaemon.c
@@ -6,12 +6,14 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
+
 #include <unistd.h>
 #include "libbb.h"
 
+#ifndef BB_NOMMU
 void bb_xdaemon(int nochdir, int noclose)
 {
 	if (daemon(nochdir, noclose))
 		bb_perror_msg_and_die("daemon");
 }
-
+#endif