diff --git a/external/js/cothority/spec/bevm/contract.spec.ts b/external/js/cothority/spec/bevm/contract.spec.ts
index 1b272a54f2..77a43626fc 100644
--- a/external/js/cothority/spec/bevm/contract.spec.ts
+++ b/external/js/cothority/spec/bevm/contract.spec.ts
@@ -67,6 +67,10 @@ ateMutability":"nonpayable","type":"constructor"}]
         expect(contract.getMethodAbi("eatCandy")).toEqual(abi[0]);
         expect(contract.getMethodAbi("getRemainingCandies")).toEqual(abi[1]);
         expect(contract.getMethodAbi("")).toEqual(abi[2]);
+
+        // Nonexistent method
+        expect(() => contract.getMethodAbi("XYZZY")).
+            toThrowError(/does not exist/);
     });
 
     it("should be able to serialize and deserialize", () => {