diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7180b4aec..cbd9a82d3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,9 @@ Increment the:
 
 ## [Unreleased]
 
+* [SDK] Set small initial value for AttributesHashMap::hash_map_
+  [#3391](https://github.com/open-telemetry/opentelemetry-cpp/pull/3391)
+
 * [Metrics SDK] Use nostd::function_ref in AttributesHashMap
   [#3393](https://github.com/open-telemetry/opentelemetry-cpp/pull/3393)
 
diff --git a/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h b/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
index f1ab55ed61..fba649ab1a 100644
--- a/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
+++ b/sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h
@@ -48,7 +48,7 @@ class AttributesHashMapWithCustomHash
 {
 public:
   AttributesHashMapWithCustomHash(size_t attributes_limit = kAggregationCardinalityLimit)
-      : attributes_limit_(attributes_limit)
+      : hash_map_(1), attributes_limit_(attributes_limit)
   {}
   Aggregation *Get(const MetricAttributes &attributes) const
   {