diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index fa8828f61b..09ba0382ff 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -67,7 +67,7 @@ type SimulatedBackend struct {
 // for testing purposes.
 func NewSimulatedBackend(alloc core.GenesisAlloc) *SimulatedBackend {
 	database := ethdb.NewMemDatabase()
-	genesis := core.Genesis{Config: params.AllEthashProtocolChanges, Alloc: alloc}
+	genesis := core.Genesis{Config: params.AllEthashProtocolChanges, GasLimit: 1000000000000, Alloc: alloc}
 	genesis.MustCommit(database)
 	blockchain, _ := core.NewBlockChain(database, nil, genesis.Config, ethash.NewFaker(), vm.Config{})