diff --git a/lib/web/imageRouter/s3.js b/lib/web/imageRouter/s3.js
index 5bb8e160e..92f225af8 100644
--- a/lib/web/imageRouter/s3.js
+++ b/lib/web/imageRouter/s3.js
@@ -46,7 +46,7 @@ exports.uploadImage = function (imagePath, callback) {
       if (config.s3.endpoint) {
         s3Endpoint = config.s3.endpoint
       } else if (config.s3.region && config.s3.region !== 'us-east-1') {
-        s3Endpoint = `s3-${config.s3.region}.amazonaws.com`
+        s3Endpoint = `s3.${config.s3.region}.amazonaws.com`
       }
       callback(null, `https://${s3Endpoint}/${config.s3bucket}/${params.Key}`)
     })