diff --git a/jetcache-core/src/main/java/com/alicp/jetcache/AbstractCache.java b/jetcache-core/src/main/java/com/alicp/jetcache/AbstractCache.java
index 2cbd6de38..74beb8aba 100644
--- a/jetcache-core/src/main/java/com/alicp/jetcache/AbstractCache.java
+++ b/jetcache-core/src/main/java/com/alicp/jetcache/AbstractCache.java
@@ -27,7 +27,7 @@ public abstract class AbstractCache<K, V> implements Cache<K, V> {
 
     private static Logger logger = LoggerFactory.getLogger(AbstractCache.class);
 
-    private ConcurrentHashMap<Object, LoaderLock> loaderMap;
+    private volatile ConcurrentHashMap<Object, LoaderLock> loaderMap;
 
     ConcurrentHashMap<Object, LoaderLock> initOrGetLoaderMap() {
         if (loaderMap == null) {