diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 98f3a22c3..dea22e6fd 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.5.4",
+    "version": "2.5.5",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index a5b464214..14a0ddc34 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.23.3",
+    "version": "2.23.4",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/model/domain.ts b/packages/hydrooj/src/model/domain.ts
index c62e14071..7cb3b071f 100644
--- a/packages/hydrooj/src/model/domain.ts
+++ b/packages/hydrooj/src/model/domain.ts
@@ -216,7 +216,7 @@ class DomainModel {
     }
 
     static getJoinSettings(ddoc: DomainDoc, roles: string[]) {
-        if (!ddoc.join) return null;
+        if (!ddoc._join) return null;
         const joinSettings = ddoc._join;
         if (joinSettings.method === DomainModel.JOIN_METHOD_NONE) return null;
         if (!roles.includes(joinSettings.role)) return null;