diff --git a/pkg/util/log/fluent_client.go b/pkg/util/log/fluent_client.go
index 84c746429665..c49f6e2ab398 100644
--- a/pkg/util/log/fluent_client.go
+++ b/pkg/util/log/fluent_client.go
@@ -74,6 +74,7 @@ func (l *fluentSink) output(b []byte, opts sinkOutputOptions) (err error) {
 	}
 
 	if err := l.ensureConnLocked(b); err != nil {
+		logging.metrics.IncrementCounter(FluentSinkConnectionError, 1)
 		return err
 	}
 	return l.tryWriteLocked(b)