diff --git a/lib/config/environment.js b/lib/config/environment.js
index 2d0b520..ddc09e1 100644
--- a/lib/config/environment.js
+++ b/lib/config/environment.js
@@ -1,11 +1,11 @@
 'use strict'
 
-const {toBooleanConfig, toArrayConfig} = require('./utils')
+const {toBooleanConfig, toArrayConfig, toIntegerConfig} = require('./utils')
 
 module.exports = {
   domain: process.env.HMD_DOMAIN,
   urlpath: process.env.HMD_URL_PATH,
-  port: process.env.HMD_PORT,
+  port: toIntegerConfig(process.env.HMD_PORT),
   urladdport: toBooleanConfig(process.env.HMD_URL_ADDPORT),
   usessl: toBooleanConfig(process.env.HMD_USESSL),
   hsts: {
@@ -40,7 +40,7 @@ module.exports = {
     secretKey: process.env.HMD_MINIO_SECRET_KEY,
     endPoint: process.env.HMD_MINIO_ENDPOINT,
     secure: toBooleanConfig(process.env.HMD_MINIO_SECURE),
-    port: parseInt(process.env.HMD_MINIO_PORT)
+    port: toIntegerConfig(process.env.HMD_MINIO_PORT)
   },
   s3bucket: process.env.HMD_S3_BUCKET,
   facebook: {
diff --git a/lib/config/utils.js b/lib/config/utils.js
index 9ff2f96..b2406cf 100644
--- a/lib/config/utils.js
+++ b/lib/config/utils.js
@@ -13,3 +13,10 @@ exports.toArrayConfig = function toArrayConfig (configValue, separator = ',', fa
   }
   return fallback
 }
+
+exports.toIntegerConfig = function toIntegerConfig (configValue) {
+  if (configValue && typeof configValue === 'string') {
+    return parseInt(configValue)
+  }
+  return configValue
+}