diff --git a/rpc/api/miner.go b/rpc/api/miner.go
index 496269304..0b5e74f52 100644
--- a/rpc/api/miner.go
+++ b/rpc/api/miner.go
@@ -9,7 +9,7 @@ import (
 )
 
 const (
-	MinerVersion = "1.0.0"
+	MinerApiVersion = "1.0"
 )
 
 var (
@@ -69,6 +69,10 @@ func (self *minerApi) Name() string {
 	return MinerApiName
 }
 
+func (self *minerApi) ApiVersion() string {
+	return MinerApiVersion
+}
+
 func (self *minerApi) StartMiner(req *shared.Request) (interface{}, error) {
 	args := new(StartMinerArgs)
 	if err := self.codec.Decode(req.Params, &args); err != nil {