diff --git a/abci/example/kvstore/kvstore.go b/abci/example/kvstore/kvstore.go
index b6cbce1d9..00f3a9da4 100644
--- a/abci/example/kvstore/kvstore.go
+++ b/abci/example/kvstore/kvstore.go
@@ -177,3 +177,8 @@ func (app *Application) PrepareProposal(
 	return types.ResponsePrepareProposal{
 		BlockData: req.BlockData}
 }
+
+func (app *Application) ProcessProposal(
+	req types.RequestProcessProposal) types.ResponseProcessProposal {
+	return types.ResponseProcessProposal{Accept: true}
+}