diff --git a/app/sendReport.js b/app/sendReport.js
index c792cea..8ddb95a 100644
--- a/app/sendReport.js
+++ b/app/sendReport.js
@@ -35,10 +35,17 @@ async function sendReport(params) {
             }
         }
 
-        const response = await fetch(process.env.BUG_REPORT_URL, {
+        const reportUrl = process.env.BUG_REPORT_URL;
+        const reportApiKey = process.env.BUG_REPORT_API_KEY;
+
+        if (!reportUrl || !reportApiKey) {
+            throw new Error("Bug report service is not configured. Missing BUG_REPORT_URL or BUG_REPORT_API_KEY on backend.");
+        }
+
+        const response = await fetch(reportUrl, {
             method: "POST",
             headers: {
-                "X-Api-Key": process.env.BUG_REPORT_API_KEY
+                "X-Api-Key": reportApiKey
             },
             body: formData
         });
diff --git a/test/unit/sendReport.test.js b/test/unit/sendReport.test.js
new file mode 100644
index 0000000..ee612b1
--- /dev/null
+++ b/test/unit/sendReport.test.js
@@ -0,0 +1,63 @@
+jest.mock("../../server/logger", () => ({
+    logger: {
+        info: jest.fn(),
+        warn: jest.fn(),
+        error: jest.fn(),
+    },
+    logDir: null,
+}));
+
+const { sendReport } = require("../../app/sendReport");
+
+describe("sendReport", () => {
+    const originalEnv = { ...process.env };
+
+    beforeEach(() => {
+        jest.clearAllMocks();
+        process.env.BUG_REPORT_URL = "";
+        process.env.BUG_REPORT_API_KEY = "";
+        global.fetch = jest.fn();
+    });
+
+    afterAll(() => {
+        process.env = originalEnv;
+    });
+
+    test("throws a clear error when backend bug report config is missing", async () => {
+        await expect(
+            sendReport({
+                title: "Bug title",
+                description: "Bug description",
+                includeLogs: "no",
+            }),
+        ).rejects.toThrow(
+            "Bug report service is not configured. Missing BUG_REPORT_URL or BUG_REPORT_API_KEY on backend.",
+        );
+
+        expect(global.fetch).not.toHaveBeenCalled();
+    });
+
+    test("sends request from backend when bug report config is present", async () => {
+        process.env.BUG_REPORT_URL = "https://example.com/report";
+        process.env.BUG_REPORT_API_KEY = "safe-test-key";
+        global.fetch.mockResolvedValue({ ok: true });
+
+        await expect(
+            sendReport({
+                title: "Bug title",
+                description: "Bug description",
+                includeLogs: "no",
+            }),
+        ).resolves.toBe(true);
+
+        expect(global.fetch).toHaveBeenCalledWith(
+            "https://example.com/report",
+            expect.objectContaining({
+                method: "POST",
+                headers: {
+                    "X-Api-Key": "safe-test-key",
+                },
+            }),
+        );
+    });
+});