diff --git a/test/loaders/TimedApiBasedRepositoryLoaderTests.test.ts b/test/loaders/TimedApiBasedRepositoryLoaderTests.test.ts
index 236af2d..ec37052 100644
--- a/test/loaders/TimedApiBasedRepositoryLoaderTests.test.ts
+++ b/test/loaders/TimedApiBasedRepositoryLoaderTests.test.ts
@@ -59,6 +59,18 @@ describe("TimedApiBasedRepositoryLoader", () => {
       expect(setTimeout).toHaveBeenCalledWith(expect.any(Function), loader.timeout);
       expect(loader.timeout).not.toBeUndefined();
     });
+
+    it("does nothing if timer is already running", async () => {
+      await loader.start();
+      await loader.start();
+
+      Object.values(repositoryMock).forEach((mockFn) => {
+        expect(mockFn).toHaveBeenCalledTimes(1);
+      });
+      Object.values(spies).forEach((spy: any) => {
+        expect(spy).toHaveBeenCalledTimes(1);
+      });
+    });
   });
 
   describe("stop", () => {