diff --git a/lib/roken/Makefile.in b/lib/roken/Makefile.in
index ea12cf9f4..62a7fba1f 100644
--- a/lib/roken/Makefile.in
+++ b/lib/roken/Makefile.in
@@ -42,7 +42,7 @@ SOURCES = \
 	strerror.c strftime.c strlwr.c strnlen.c strrchr.c \
 	strupr.c tm2time.c unsetenv.c verify.c verr.c \
 	verrx.c vsyslog.c vwarn.c vwarnx.c warn.c warnx.c \
-	get_window_size.c
+	warnerr.c get_window_size.c
 
 OBJECTS = k_getpwuid.o k_getpwnam.o signal.o tm2time.o \
 	  verify.o inaddr2str.o mini_inetd.o get_window_size.o \