diff --git a/Makefile b/Makefile
index 3b7c757..539609c 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,7 @@ install: all
 	@mkdir -p ${DESTDIR}${PREFIX}/bin
 	@cp -f surf ${DESTDIR}${PREFIX}/bin
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/surf
-	@[ -e /sbin/paxctl ] && /sbin/paxctl -m ${DESTDIR}${PREFIX}/bin/surf
+	@if [ -x /sbin/paxctl ]; then /sbin/paxctl -m ${DESTDIR}${PREFIX}/bin/surf; fi
 	@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
 	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
 	@sed "s/VERSION/${VERSION}/g" < surf.1 > ${DESTDIR}${MANPREFIX}/man1/surf.1