diff --git a/contracts/asset-proxy/test/dex_forwarder_bridge.ts b/contracts/asset-proxy/test/dex_forwarder_bridge.ts
index 2397711432..f8ad071963 100644
--- a/contracts/asset-proxy/test/dex_forwarder_bridge.ts
+++ b/contracts/asset-proxy/test/dex_forwarder_bridge.ts
@@ -321,4 +321,19 @@ blockchainTests.resets('DexForwarderBridge unit tests', env => {
             expect(btfs).to.be.length(goodBridgeCalls.length);
         });
     });
+
+    describe('executeBridgeCall()', () => {
+        it('cannot be called externally', async () => {
+            return expect(testContract.executeBridgeCall(
+                    randomAddress(),
+                    randomAddress(),
+                    randomAddress(),
+                    randomAddress(),
+                    new BigNumber(1),
+                    new BigNumber(1),
+                    constants.NULL_BYTES,
+                ).callAsync(),
+            ).to.revertWith('DexForwarderBridge/ONLY_SELF');
+        });
+    });
 });