diff --git a/test/e2e/runner/setup.go b/test/e2e/runner/setup.go
index 507dc2d04..c767b552f 100644
--- a/test/e2e/runner/setup.go
+++ b/test/e2e/runner/setup.go
@@ -209,6 +209,7 @@ func MakeGenesis(testnet *e2e.Testnet) (types.GenesisDoc, error) {
 	}
 	genesis.ConsensusParams.Evidence.MaxAgeNumBlocks = e2e.EvidenceAgeHeight
 	genesis.ConsensusParams.Evidence.MaxAgeDuration = e2e.EvidenceAgeTime
+	genesis.ConsensusParams.ABCI.VoteExtensionsEnableHeight = testnet.InitialHeight + 10
 	for validator, power := range testnet.Validators {
 		genesis.Validators = append(genesis.Validators, types.GenesisValidator{
 			Name:    validator.Name,