diff --git a/cpp/arcticdb/entity/metrics.hpp b/cpp/arcticdb/entity/metrics.hpp
index e6a6e3509d..b3366048b0 100644
--- a/cpp/arcticdb/entity/metrics.hpp
+++ b/cpp/arcticdb/entity/metrics.hpp
@@ -106,10 +106,10 @@ class PrometheusInstance {
 
     void configure(const MetricsConfig& config, const bool reconfigure = false);
 
+    MetricsConfig cfg_;
+    
     private:
 
-        MetricsConfig cfg_;
-
         struct HistogramInfo {
             prometheus::Family<prometheus::Histogram>* histogram;
             prometheus::Histogram::BucketBoundaries buckets_list;