diff --git a/Vostok.Hercules.Consumers/WindowedStreamConsumer.cs b/Vostok.Hercules.Consumers/WindowedStreamConsumer.cs
index e9c22ac..0ffff6e 100644
--- a/Vostok.Hercules.Consumers/WindowedStreamConsumer.cs
+++ b/Vostok.Hercules.Consumers/WindowedStreamConsumer.cs
@@ -232,6 +232,6 @@ private void LogCoordinates(string message, StreamCoordinates left, StreamCoordi
         }
         
         private void LogWindows() =>
-            log.Info("Windows:\n{{Windows}}.", string.Join("\n", windows.Values));
+            log.Info("Windows:\n{Windows}", windows);
     }
 }
\ No newline at end of file