diff --git a/src/services/i18n.spec.ts b/src/services/i18n.spec.ts
index 03b4fad62..03d711ae0 100644
--- a/src/services/i18n.spec.ts
+++ b/src/services/i18n.spec.ts
@@ -3,17 +3,24 @@ import * as i18n from "./i18n.js";
 import path from "path";
 import fs from "fs";
 
+function checkTranslations(translationDir: string, translationFileName: string) {
+    const locales = i18n.getLocales();
+
+    for (const locale of locales) {
+        const translationPath = path.join(translationDir, locale.id, translationFileName);
+        const translationFile = fs.readFileSync(translationPath, { encoding: "utf-8" });
+        expect(() => {
+            JSON.parse(translationFile);
+        }, `JSON error while parsing locale '${locale.id}' at "${translationPath}"`).not.toThrow();
+    }
+}
+
 describe("i18n", () => {
     it("frontend translations are valid JSON", () => {
-        const translationDir = "src/public/translations";
-        const locales = i18n.getLocales();
+        checkTranslations("src/public/translations", "translation.json");
+    });
 
-        for (const locale of locales) {
-            const translationPath = path.join(translationDir, locale.id, "translation.json");
-            const translationFile = fs.readFileSync(translationPath, { encoding: "utf-8" });
-            expect(() => {
-                JSON.parse(translationFile);
-            }, `JSON error while parsing locale '${locale.id}' at "${translationPath}"`).not.toThrow();
-        }
+    it("backend translations are valid JSON", () => {
+        checkTranslations("translations", "server.json");
     });
 });