diff --git a/letsencrypt/CHANGELOG.md b/letsencrypt/CHANGELOG.md
index cd69048..75ddcb1 100755
--- a/letsencrypt/CHANGELOG.md
+++ b/letsencrypt/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 4.7
+
+- Fix issue with DNS challenge
+
 ## 4.6
 
 - Streamline propagation seconds
diff --git a/letsencrypt/config.json b/letsencrypt/config.json
index 913c4bb..40306c9 100755
--- a/letsencrypt/config.json
+++ b/letsencrypt/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Let's Encrypt",
-  "version": "4.6",
+  "version": "4.7",
   "slug": "letsencrypt",
   "description": "Manage certificate from Let's Encrypt",
   "url": "https://github.com/home-assistant/hassio-addons/tree/master/letsencrypt",
diff --git a/letsencrypt/data/run.sh b/letsencrypt/data/run.sh
index 0384627..8d2a9e6 100755
--- a/letsencrypt/data/run.sh
+++ b/letsencrypt/data/run.sh
@@ -5,9 +5,10 @@ DOMAINS=$(bashio::config 'domains')
 KEYFILE=$(bashio::config 'keyfile')
 CERTFILE=$(bashio::config 'certfile')
 CHALLENGE=$(bashio::config 'challenge')
+DNS_PROVIDER=$(bashio::config 'dns.provider')
 
-if [[ "$CHALLENGE" == "dns" ]]; then
-    bashio::log.info "Selected DNS Provider: $(bashio::config 'dns.provider')"
+if [ "${CHALLENGE}" == "dns" ]; then
+    bashio::log.info "Selected DNS Provider: ${DNS_PROVIDER}"
 
     PROPAGATION_SECONDS=60
     if bashio::config.exists 'dns.propagation_seconds'; then
@@ -85,7 +86,7 @@ elif bashio::config.exists 'dns.netcup_customer_id' && bashio::config.exists 'dn
     PROVIDER_ARGUMENTS+=("--authenticator" "certbot-dns-netcup:dns-netcup" "--certbot-dns-netcup:dns-netcup-credentials" /data/dnsapikey "--certbot-dns-netcup:dns-netcup-propagation-seconds" "${PROPAGATION_SECONDS}")
 
 # CloudFlare
-elif [[ "${DNS_PROVIDER}" == "dns-cloudflare" ]]; then
+elif [ "${DNS_PROVIDER}" == "dns-cloudflare" ]; then
     if bashio::config.exists 'dns.cloudflare_api_token'; then
         bashio::log.info "Use CloudFlare token"
         echo "dns_cloudflare_api_token = $(bashio::config 'dns.cloudflare_api_token')" >> /data/dnsapikey