diff --git a/mattermost/.env b/mattermost/.env
index 60c5f82..1cd1069 100644
--- a/mattermost/.env
+++ b/mattermost/.env
@@ -37,8 +37,8 @@ NGINX_IMAGE_TAG=alpine
 NGINX_CONFIG_PATH=./nginx/conf.d
 NGINX_DHPARAMS_FILE=./nginx/dhparams4096.pem
 
-CERT_PATH=./volumes/web/cert/chat.demo.com+1.pem
-KEY_PATH=./volumes/web/cert/chat.demo.com+1-key.pem
+CERT_PATH=./volumes/web/cert/chat.demo.com.pem
+KEY_PATH=./volumes/web/cert/chat.demo.com-key.pem
 #GITLAB_PKI_CHAIN_PATH=<path_to_your_gitlab_pki>/pki_chain.pem
 #CERT_PATH=./certs/etc/letsencrypt/live/${DOMAIN}/fullchain.pem
 #KEY_PATH=./certs/etc/letsencrypt/live/${DOMAIN}/privkey.pem