diff --git a/server/plugins-available/apache2_plugin.inc.php b/server/plugins-available/apache2_plugin.inc.php
index 6baa1d4d093da8843d7446e807a2e55332bd8e72..4a6437e92493877abcaf181df6eb66422fcf928d 100644
--- a/server/plugins-available/apache2_plugin.inc.php
+++ b/server/plugins-available/apache2_plugin.inc.php
@@ -1170,7 +1170,7 @@ class apache2_plugin {
 			if(!file_exists($crt_tmp_file) && !file_exists($key_tmp_file)) {
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
 
-				if(is_dir($webroot . "/.well-known/")) {
+				if(is_dir($webroot . "/.well-known/acme-challenge/")) {
 					$app->log("Remove old challenge directory", LOGLEVEL_DEBUG);
 					$this->_exec("rm -rf " . $webroot . "/.well-known/acme-challenge/");
 				}
diff --git a/server/plugins-available/nginx_plugin.inc.php b/server/plugins-available/nginx_plugin.inc.php
index 9eb916bd70cca2650e8290522596cc1488c4e6e0..f4c5f9d5ba4bce0593321a012f0692d0c20d7f58 100644
--- a/server/plugins-available/nginx_plugin.inc.php
+++ b/server/plugins-available/nginx_plugin.inc.php
@@ -1290,7 +1290,7 @@ class nginx_plugin {
 			if(!file_exists($crt_tmp_file) && !file_exists($key_tmp_file)) {
 				$app->log("Create Let's Encrypt SSL Cert for: $domain", LOGLEVEL_DEBUG);
 
-				if(is_dir($webroot . "/.well-known/")) {
+				if(is_dir($webroot . "/.well-known/acme-challenge/")) {
 					$app->log("Remove old challenge directory", LOGLEVEL_DEBUG);
 					$this->_exec("rm -rf " . $webroot . "/.well-known/acme-challenge/");
 				}