diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 44ec9cb32..20839dc43 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.11.18",
+    "version": "3.11.19",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/model/builtin.ts b/packages/hydrooj/src/model/builtin.ts
index aadb716dc..1612dc915 100644
--- a/packages/hydrooj/src/model/builtin.ts
+++ b/packages/hydrooj/src/model/builtin.ts
@@ -263,7 +263,6 @@ export const PRIV = {
 };
 
 PRIV.PRIV_DEFAULT = PRIV.PRIV_USER_PROFILE
-    + PRIV.PRIV_REGISTER_USER
     + PRIV.PRIV_READ_PRETEST_DATA_SELF
     + PRIV.PRIV_CREATE_FILE
     + PRIV.PRIV_DELETE_FILE_SELF
diff --git a/packages/hydrooj/src/upgrade.ts b/packages/hydrooj/src/upgrade.ts
index 55490cb91..19e0adfdc 100644
--- a/packages/hydrooj/src/upgrade.ts
+++ b/packages/hydrooj/src/upgrade.ts
@@ -703,6 +703,18 @@ const scripts: UpgradeScript[] = [
         }
         return true;
     },
+    async function _61_62() {
+        const _FRESH_INSTALL_IGNORE = 1;
+        const priv = +system.get('default.priv');
+        if (priv & PRIV.PRIV_REGISTER_USER) {
+            const udocs = await user.getMulti({ priv }).project({ _id: 1 }).toArray();
+            for (const udoc of udocs) {
+                await user.setById(udoc._id, { priv: priv - PRIV.PRIV_REGISTER_USER });
+            }
+            await system.set('default.priv', priv - PRIV.PRIV_REGISTER_USER);
+        }
+        return true;
+    },
 ];
 
 export default scripts;