diff --git a/src/Makefile.am b/src/Makefile.am
index 68c5f75f6..819b87461 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -26,7 +26,7 @@ no_install__progs = \
 build_if_possible__progs = \
   chroot df hostid nice pinky stty su uname uptime users who
 
-AM_CFLAGS = $(WARN_CFLAGS) # $(WERROR_CFLAGS)
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
 
 EXTRA_PROGRAMS = \
   $(no_install__progs) \