diff --git a/services/mailer/application/config.js b/services/mailer/application/config.js
index 6b3311861..25b430119 100644
--- a/services/mailer/application/config.js
+++ b/services/mailer/application/config.js
@@ -11,7 +11,7 @@ let configFiles = [
 ];
 
 for (let configFile of configFiles) {
-    if (fs.accessSync(configFile))
+    if (fs.existsSync(configFile))
         Object.assign(config, require(configFile));
 }
 
@@ -22,7 +22,7 @@ let proxyFiles = [
 ];
 
 for (let proxyFile of proxyFiles) {
-    if (fs.accessSync(proxyFile))
+    if (fs.existsSync(proxyFile))
         Object.assign(proxyConf, require(proxyFile));
 }