diff --git a/hibernate-core/src/main/java/org/hibernate/internal/util/collections/CollectionHelper.java b/hibernate-core/src/main/java/org/hibernate/internal/util/collections/CollectionHelper.java
index b1ca6ef2ea..eae21904f7 100755
--- a/hibernate-core/src/main/java/org/hibernate/internal/util/collections/CollectionHelper.java
+++ b/hibernate-core/src/main/java/org/hibernate/internal/util/collections/CollectionHelper.java
@@ -111,7 +111,7 @@ public final class CollectionHelper {
 			return Collections.emptyMap();
 		}
 
-		final Map<K, V> map = new HashMap<>();
+		final Map<K, V> map = new HashMap<>( determineProperSizing( collection.size() ));
 
 		for ( E element : collection ) {
 			map.put(