diff --git a/ansible/roles/lego/templates/lego_reload.sh.j2 b/ansible/roles/lego/templates/lego_reload.sh.j2
index 324f2cd..e4af87c 100644
--- a/ansible/roles/lego/templates/lego_reload.sh.j2
+++ b/ansible/roles/lego/templates/lego_reload.sh.j2
@@ -1,9 +1,11 @@
 #!/bin/bash
-SOURCE_PEM=/etc/lego/certificates/{{ item.name }}.pem
-DEST_PEM=/etc/haproxy/certs/{{ item.name }}.pem
+export SOURCE_PEM=/etc/lego/certificates/{{ item.name }}.pem
+export DEST_PEM=/etc/haproxy/certs/{{ item.name }}.pem
 
 if [ -e ${DEST_PEM} ]; then
-  if [ $(diff ${SOURCE_PEM} ${DEST_PEM}) == 0 ]; then
+  diff ${SOURCE_PEM} ${DEST_PEM}
+  diff_rc=$?
+  if [ ${diff_rc} == 0 ]; then
       exit
   fi
   cp ${SOURCE_PEM} ${DEST_PEM}