diff --git a/filter_plugins/filters.py b/filter_plugins/filters.py
index 017d401..e1e9ec9 100755
--- a/filter_plugins/filters.py
+++ b/filter_plugins/filters.py
@@ -8,7 +8,7 @@ class FilterModule(object):
 	def nginx_vhosts_to_certificates(self, vhosts):
 		certs = {}
 		for i in vhosts.keys():
-			if not vhosts[i]['letsencrypt']:
+			if not vhosts[i].get('letsencrypt'):
 				continue
 			certs['nginx_'+i] = {
 					'backend': 'letsencrypt',