diff --git a/bchain/coins/btc/bitcoinrpc.go b/bchain/coins/btc/bitcoinrpc.go
index 2e58ab72..4d15330e 100644
--- a/bchain/coins/btc/bitcoinrpc.go
+++ b/bchain/coins/btc/bitcoinrpc.go
@@ -820,7 +820,7 @@ func safeDecodeResponse(body io.ReadCloser, res interface{}) (err error) {
 		if r := recover(); r != nil {
 			glog.Error("unmarshal json recovered from panic: ", r, "; data: ", string(data))
 			if len(data) > 0 && len(data) < 2048 {
-				err = errors.Errorf("Error: ", string(data))
+				err = errors.Errorf("Error: %v", string(data))
 			} else {
 				err = errors.New("Internal error")
 			}
diff --git a/blockbook.go b/blockbook.go
index 7f501f6b..c45728f7 100644
--- a/blockbook.go
+++ b/blockbook.go
@@ -505,7 +505,7 @@ func pushSynchronizationHandler(nt bchain.NotificationType) {
 	if atomic.LoadInt32(&inShutdown) != 0 {
 		return
 	}
-	glog.V(1).Infof("MQ: notification ", nt)
+	glog.V(1).Info("MQ: notification ", nt)
 	if nt == bchain.NotificationNewBlock {
 		chanSyncIndex <- struct{}{}
 	} else if nt == bchain.NotificationNewTx {
diff --git a/db/rocksdb.go b/db/rocksdb.go
index dd34c6fa..feaf3d1c 100644
--- a/db/rocksdb.go
+++ b/db/rocksdb.go
@@ -109,7 +109,7 @@ func (d *RocksDB) Close() error {
 		if d.is != nil && d.is.DbState == common.DbStateOpen {
 			d.is.DbState = common.DbStateClosed
 			if err := d.StoreInternalState(d.is); err != nil {
-				glog.Infof("internalState: ", err)
+				glog.Info("internalState: ", err)
 			}
 		}
 		glog.Infof("rocksdb: close")