diff --git a/src/public/app/services/eslint.spec.ts b/src/public/app/services/eslint.spec.ts
index c6b87162a..42eac213c 100644
--- a/src/public/app/services/eslint.spec.ts
+++ b/src/public/app/services/eslint.spec.ts
@@ -55,4 +55,8 @@ describe("Linter", () => {
         expect(await lint(`module.exports("Hi");`, "application/javascript;env=backend")).toStrictEqual([]);
         expect(await lint(`module.exports("Hi");`, "application/javascript;env=frontend")).toStrictEqual([]);
     });
+
+    it("ignores TypeScript file", async () => {
+        expect(await lint("export async function lint(code: string, mimeType: string) {}", "text/typescript-jsx")).toStrictEqual([]);
+    });
 });
diff --git a/src/public/app/services/eslint.ts b/src/public/app/services/eslint.ts
index 4563239e6..bdb2dcaee 100644
--- a/src/public/app/services/eslint.ts
+++ b/src/public/app/services/eslint.ts
@@ -10,6 +10,12 @@ export async function lint(code: string, mimeType: string) {
         module: "readonly"
     };
 
+    // Unsupported languages
+    if (mimeType.startsWith("text/typescript")) {
+        return [];
+    }
+
+    // Custom globals
     if (mimeType === "application/javascript;env=frontend") {
         globals = { ...globals, ...globalDefinitions.jquery };
     } else if (mimeType === "application/javascript;env=backend") {