1 files changed, 1 insertions, 0 deletions
diff --git a/examples/counter/main.go b/examples/counter/main.go
index db6e1de..5ec83fc 100644
--- a/examples/counter/main.go
+++ b/examples/counter/main.go
@@ -33,6 +33,7 @@ func checkError(err error) {
 func main() {
 	// configure the chain
 	config := eth.DefaultConfig
+	config.ManualCanonical = true
 	chainConfig := &params.ChainConfig{
 		ChainID:             big.NewInt(1),
 		HomesteadBlock:      big.NewInt(0),