diff --git a/MareSynchronosServer/MareSynchronosServer/Startup.cs b/MareSynchronosServer/MareSynchronosServer/Startup.cs
index 7ba7b75..1547930 100644
--- a/MareSynchronosServer/MareSynchronosServer/Startup.cs
+++ b/MareSynchronosServer/MareSynchronosServer/Startup.cs
@@ -292,6 +292,7 @@ public class Startup
             MetricsAPI.GaugeUsersRegistered,
             MetricsAPI.GaugeAuthenticationCacheEntries,
             MetricsAPI.GaugeUserPairCacheEntries,
+            MetricsAPI.GaugeUserPairCacheUsers,
         }));
     }