diff -Nru python-certbot-0.8.1/debian/certbot.cron.d python-certbot-0.8.1/debian/certbot.cron.d
--- python-certbot-0.8.1/debian/certbot.cron.d	2016-06-09 22:46:02.000000000 +0000
+++ python-certbot-0.8.1/debian/certbot.cron.d	2016-07-08 00:45:21.000000000 +0000
@@ -1,6 +1,11 @@
+# /etc/cron.d/certbot: crontab entries for the certbot package
+#
 # Upstream recommends attempting renewal twice a day
 #
 # Eventually, this will be an opportunity to validate certificates
 # haven't been revoked, etc.  Renewal will only occur if expiration
 # is within 30 days.
-0 */12 * * * root perl -e 'sleep int(rand(3600))'; certbot -q renew
+SHELL=/bin/sh
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+0 */12 * * * root test -x /usr/bin/certbot && perl -e 'sleep int(rand(3600))' && certbot -q renew
diff -Nru python-certbot-0.8.1/debian/changelog python-certbot-0.8.1/debian/changelog
--- python-certbot-0.8.1/debian/changelog	2016-06-27 00:56:20.000000000 +0000
+++ python-certbot-0.8.1/debian/changelog	2016-07-08 01:12:02.000000000 +0000
@@ -1,3 +1,9 @@
+python-certbot (0.8.1-2) unstable; urgency=medium
+
+  * Ship new crontab, fixing errors when using apache plugin
+
+ -- Harlan Lieberman-Berg <hlieberman@debian.org>  Thu, 07 Jul 2016 21:11:59 -0400
+
 python-certbot (0.8.1-1) unstable; urgency=medium
 
   * New upstream release.