diff --git a/eth/common/utils.nim b/eth/common/utils.nim
index b3cc9f5..9710a02 100644
--- a/eth/common/utils.nim
+++ b/eth/common/utils.nim
@@ -10,5 +10,5 @@ proc parseAddress*(hexString: string): EthAddress =
 proc `$`*(a: EthAddress): string =
   a.toHex()
 
-var peerGauge* = newGauge("connected peers", "number of peers in the pool")
+var peerGauge* = newGauge("connected_peers", "number of peers in the pool")