diff --git a/src/lib/watchers/bma/head-watcher.ts b/src/lib/watchers/bma/head-watcher.ts
index ce5a745..28bb774 100644
--- a/src/lib/watchers/bma/head-watcher.ts
+++ b/src/lib/watchers/bma/head-watcher.ts
@@ -31,7 +31,7 @@ export function headWatcher(conf: Conf) {
       const observedHead = getObserved(heads, confHead.observedPubkey)
       handleLateness(confHead, mainHeads, observedHead)
     })({
-      name: `head watcher ${confHead.address} => ${confHead.observedPubkey}`,
+      name: `head watcher ${confHead.address} => ${confHead.observedPubkey.substr(0, 10)}`,
       address: confHead.address + URL_PATH,
       frequency: confHead.frequency
     })