diff --git a/pkg/p2p/libp2p/libp2p_test.go b/pkg/p2p/libp2p/libp2p_test.go
index 87f84b546a9..eff5493b2e0 100644
--- a/pkg/p2p/libp2p/libp2p_test.go
+++ b/pkg/p2p/libp2p/libp2p_test.go
@@ -180,14 +180,14 @@ func (sb *SwapBackend) add(tx common.Hash, ethAddr common.Address) {
 	sb.m.Lock()
 	defer sb.m.Unlock()
 
-	mockSwapBackend.addrs[tx] = ethAddr
+	sb.addrs[tx] = ethAddr
 }
 
 func (sb *SwapBackend) TransactionReceipt(ctx context.Context, txHash common.Hash) (*types.Receipt, error) {
-	mockSwapBackend.m.RLock()
-	defer mockSwapBackend.m.RUnlock()
+	sb.m.RLock()
+	defer sb.m.RUnlock()
 
 	return &types.Receipt{
-		ContractAddress: mockSwapBackend.addrs[txHash],
+		ContractAddress: sb.addrs[txHash],
 	}, nil
 }