diff --git a/electron-builder.json5 b/electron-builder.json5
index fd47b70..1fb4dbf 100644
--- a/electron-builder.json5
+++ b/electron-builder.json5
@@ -94,7 +94,7 @@
     ]
   },
   "portable": {
-    "artifactName": "${productName} ${version} Portable.${ext}"
+    "artifactName": "${productName} ${version}_${arch} Portable.${ext}"
   },
   "nsis": {
     "oneClick": true