diff --git a/seafile/build.json b/seafile/build.json
index 0fa9b5445..7d32bce02 100644
--- a/seafile/build.json
+++ b/seafile/build.json
@@ -1,7 +1,7 @@
 {
   "build_from": {
     "aarch64": "franchetti/seafile-arm:latest",
-    "amd64": "franchetti/seafile-arm:latest"
+    "amd64": "franchetti/seafile-arm:latest",
     "armv7": "franchetti/seafile-arm:latest"
   },
   "codenotary": {