diff --git a/daemon/internal/servers/metrics.go b/daemon/internal/servers/metrics.go
index 6543e979f4..c69d565e42 100644
--- a/daemon/internal/servers/metrics.go
+++ b/daemon/internal/servers/metrics.go
@@ -97,7 +97,7 @@ type metricsError struct {
 }
 
 func (e metricsError) Error() string {
-	return e.Error()
+	return e.err.Error()
 }
 
 func errToMetricResult(err error) string {