diff --git a/RedLockNet.SERedis/RedLock.cs b/RedLockNet.SERedis/RedLock.cs
index dbc5609..1ce4029 100644
--- a/RedLockNet.SERedis/RedLock.cs
+++ b/RedLockNet.SERedis/RedLock.cs
@@ -589,13 +589,20 @@ internal static string GetHost(IConnectionMultiplexer cache)
 
 			foreach (var endPoint in cache.GetEndPoints())
 			{
-				var server = cache.GetServer(endPoint);
+				try
+				{
+					var server = cache.GetServer(endPoint);
 
-				result.Append(server.EndPoint.GetFriendlyName());
-				result.Append(" (");
-				result.Append(server.IsSlave ? "slave" : "master");
-				result.Append(server.IsConnected ? "" : ", disconnected");
-				result.Append("), ");
+					result.Append(server.EndPoint.GetFriendlyName());
+					result.Append(" (");
+					result.Append(server.IsSlave ? "slave" : "master");
+					result.Append(server.IsConnected ? "" : ", disconnected");
+					result.Append("), ");
+				}
+				catch (ArgumentException)
+				{
+					// swallow exception, the endpoint is not connected
+				}
 			}
 
 			if (result.Length >= 2)