diff --git a/broker/src/main/java/io/moquette/spi/impl/ProtocolProcessorBootstrapper.java b/broker/src/main/java/io/moquette/spi/impl/ProtocolProcessorBootstrapper.java
index 382c6681..64c52ea7 100644
--- a/broker/src/main/java/io/moquette/spi/impl/ProtocolProcessorBootstrapper.java
+++ b/broker/src/main/java/io/moquette/spi/impl/ProtocolProcessorBootstrapper.java
@@ -78,7 +78,7 @@ public class ProtocolProcessorBootstrapper {
         m_mapStorage = new MapDBPersistentStore(props);
         m_mapStorage.initStore();
         IMessagesStore messagesStore = m_mapStorage.messagesStore();
-        ISessionsStore m_sessionsStore = m_mapStorage.sessionsStore();
+        m_sessionsStore = m_mapStorage.sessionsStore();
 
         List<InterceptHandler> observers = new ArrayList<>(embeddedObservers);
         String interceptorClassName = props.getProperty(BrokerConstants.INTERCEPT_HANDLER_PROPERTY_NAME);