diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index bd2981972..6dc12184e 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.17.3",
+    "version": "2.17.4",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrojudge/src/judge/default.ts b/packages/hydrojudge/src/judge/default.ts
index 6ba5beefd..14a589783 100644
--- a/packages/hydrojudge/src/judge/default.ts
+++ b/packages/hydrojudge/src/judge/default.ts
@@ -57,7 +57,7 @@ function judgeCase(c: Case, sid: string) {
         );
         const { code, time_usage_ms, memory_usage_kb } = res;
         let { status } = res;
-        let stdout: CmdFile = { fileId: res.fileIds[filename ? 'stdout' : `${filename}.out`] };
+        let stdout: CmdFile = { fileId: res.fileIds[filename ? `${filename}.out` : 'stdout'] };
         const stderr = { fileId: res.fileIds['stderr'] };
         if (!stdout.fileId) stdout = { content: '' };
         let message: any = '';