diff --git a/codex/blockexchange/engine/advertiser.nim b/codex/blockexchange/engine/advertiser.nim
index 0b59d150..e4a97db1 100644
--- a/codex/blockexchange/engine/advertiser.nim
+++ b/codex/blockexchange/engine/advertiser.nim
@@ -26,7 +26,7 @@ import ../../manifest
 logScope:
   topics = "codex discoveryengine advertiser"
 
-declareGauge(codexInflightAdvertise, "inflight advertise requests")
+declareGauge(codex_inflight_advertise, "inflight advertise requests")
 
 const
   DefaultConcurrentAdvertRequests = 10
@@ -97,12 +97,12 @@ proc processQueueLoop(b: Advertiser) {.async.} =
           request = b.discovery.provide(cid)
 
         b.inFlightAdvReqs[cid] = request
-        codexInflightAdvertise.set(b.inFlightAdvReqs.len.int64)
+        codex_inflight_advertise.set(b.inFlightAdvReqs.len.int64)
         await request
 
       finally:
         b.inFlightAdvReqs.del(cid)
-        codexInflightAdvertise.set(b.inFlightAdvReqs.len.int64)
+        codex_inflight_advertise.set(b.inFlightAdvReqs.len.int64)
     except CancelledError:
       trace "Advertise task cancelled"
       return
diff --git a/codex/blockexchange/engine/discovery.nim b/codex/blockexchange/engine/discovery.nim
index 15312de9..f06105bf 100644
--- a/codex/blockexchange/engine/discovery.nim
+++ b/codex/blockexchange/engine/discovery.nim
@@ -31,7 +31,7 @@ import ../../manifest
 logScope:
   topics = "codex discoveryengine"
 
-declareGauge(codexInflightDiscovery, "inflight discovery requests")
+declareGauge(codex_inflight_discovery, "inflight discovery requests")
 
 const
   DefaultConcurrentDiscRequests = 10
@@ -96,7 +96,7 @@ proc discoveryTaskLoop(b: DiscoveryEngine) {.async.} =
               .wait(DefaultDiscoveryTimeout)
 
           b.inFlightDiscReqs[cid] = request
-          codexInflightDiscovery.set(b.inFlightDiscReqs.len.int64)
+          codex_inflight_discovery.set(b.inFlightDiscReqs.len.int64)
           let
             peers = await request
 
@@ -110,7 +110,7 @@ proc discoveryTaskLoop(b: DiscoveryEngine) {.async.} =
 
         finally:
           b.inFlightDiscReqs.del(cid)
-          codexInflightDiscovery.set(b.inFlightDiscReqs.len.int64)
+          codex_inflight_discovery.set(b.inFlightDiscReqs.len.int64)
     except CancelledError:
       trace "Discovery task cancelled"
       return