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-rw-r--r--middleware/metrics/metrics.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/middleware/metrics/metrics.go b/middleware/metrics/metrics.go
index 3a72bc3bb..a9d09c202 100644
--- a/middleware/metrics/metrics.go
+++ b/middleware/metrics/metrics.go
@@ -30,7 +30,7 @@ type Metrics struct {
Addr string
ln net.Listener
mux *http.ServeMux
- Once sync.Once
+ Once *sync.Once
ZoneNames []string
}