diff --git a/keyserver/internal/device_list_update.go b/keyserver/internal/device_list_update.go
index fcfcd092..8b02f3d6 100644
--- a/keyserver/internal/device_list_update.go
+++ b/keyserver/internal/device_list_update.go
@@ -424,7 +424,7 @@ func (u *DeviceListUpdater) processServer(serverName gomatrixserverlib.ServerNam
 			"succeeded": successCount,
 			"failed":    len(userIDs) - successCount,
 			"wait_time": waitTime,
-		}).Warn("Failed to query device keys for some users")
+		}).Debug("Failed to query device keys for some users")
 	}
 	return waitTime, !allUsersSucceeded
 }