diff --git a/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java b/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
index 53e6cbdea..1a6a1a5d5 100644
--- a/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java
@@ -961,8 +961,8 @@ public class MapUtil {
 	 * @return ConcurrentHashMap
 	 */
 	public static <K, V> ConcurrentHashMap<K, V> newConcurrentHashMapWithSize(int size) {
-		size = size <= 0 ? DEFAULT_INITIAL_CAPACITY : size;
-		return new ConcurrentHashMap<>(size);
+		int initCapacity = size <= 0 ? DEFAULT_INITIAL_CAPACITY : size;
+		return new ConcurrentHashMap<>(initCapacity);
 	}
 
 	/**