diff --git a/node/Metrics.cpp b/node/Metrics.cpp
index aea57114c..8687a264b 100644
--- a/node/Metrics.cpp
+++ b/node/Metrics.cpp
@@ -177,8 +177,8 @@ namespace ZeroTier {
         { "zt_network_outgoing_packets", "number of outgoing packets per network" };
 
         // PeerMetrics
-        prometheus::CustomFamily<prometheus::Histogram<uint64_t>> peer_latency
-        { "zt_peer_latency", "peer latency (ms)", {{}}};
+        prometheus::CustomFamily<prometheus::Histogram<uint64_t>> peer_latency 
+        { "zt_peer_latency", "peer latency (ms)", {}};
         prometheus::simpleapi::gauge_family_t peer_path_count
         { "zt_peer_path_count", "number of paths to peer" };
         prometheus::simpleapi::counter_family_t peer_incoming_packets