diff --git a/test/test_matrixeventprocessor.ts b/test/test_matrixeventprocessor.ts
index dd1a5d2e543b6740a5079750921b3af2626d472d..e5dbf0c9f14582bd47369391de7938d4f568a628 100644
--- a/test/test_matrixeventprocessor.ts
+++ b/test/test_matrixeventprocessor.ts
@@ -748,7 +748,8 @@ This is the reply`,
                 sender: "@test:localhost",
                 type: "m.room.message",
             } as IMatrixEvent, mockChannel as any);
-            expect(result!.timestamp!.getTime()).to.be.equal(TEST_TIMESTAMP);
+            // NOTE: Due to https://github.com/discordjs/discord.js/issues/3283, the typing is wrong here.
+            expect(result!.timestamp!).to.be.equal(TEST_TIMESTAMP);
         });
         it("should add field for discord replies", async () => {
             const processor = createMatrixEventProcessor();