diff --git a/bin/tests/system/builtin/Makefile.in b/bin/tests/system/builtin/Makefile.in
index cafaa8c449..3008d06260 100644
--- a/bin/tests/system/builtin/Makefile.in
+++ b/bin/tests/system/builtin/Makefile.in
@@ -48,8 +48,8 @@ OBJS =		gethostname.@O@
 
 all: gethostname@EXEEXT@
 
-gethostname@EXEEXT@: ${OBJS}
-	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ ${OBJS} ${LIBS}
+gethostname@EXEEXT@: ${OBJS} ${ISCDEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ ${OBJS} ${LIBS} ${ISCLIBS}
 
 clean distclean::
 	rm -f ${TARGETS}