diff --git a/config/config.go b/config/config.go
index a2b5538ef..9b152d7c3 100644
--- a/config/config.go
+++ b/config/config.go
@@ -49,6 +49,7 @@ const (
 	defaultBlockMaxMass          = 10000000
 	blockMaxMassMin              = 1000
 	blockMaxMassMax              = 10000000
+	defaultMinRelayTxFee         = 1000 // 1 satoshi per byte
 	defaultGenerate              = false
 	defaultMaxOrphanTransactions = 100
 	//DefaultMaxOrphanTxSize is the default maximum size for an orphan transaction
@@ -312,6 +313,7 @@ func loadConfig() (*Config, []string, error) {
 		BlockMaxMass:         defaultBlockMaxMass,
 		MaxOrphanTxs:         defaultMaxOrphanTransactions,
 		SigCacheMaxSize:      defaultSigCacheMaxSize,
+		MinRelayTxFee:        defaultMinRelayTxFee,
 		Generate:             defaultGenerate,
 		TxIndex:              defaultTxIndex,
 		AddrIndex:            defaultAddrIndex,