diff --git a/modules/activiti-engine/src/main/java/org/activiti/engine/impl/db/DbSqlSessionFactory.java b/modules/activiti-engine/src/main/java/org/activiti/engine/impl/db/DbSqlSessionFactory.java
index 2ab17f3b5899afd1d8c4ae24c25811b9fe702a70..24508e15f9dffdad0b46153380c8a6b5538cc361 100644
--- a/modules/activiti-engine/src/main/java/org/activiti/engine/impl/db/DbSqlSessionFactory.java
+++ b/modules/activiti-engine/src/main/java/org/activiti/engine/impl/db/DbSqlSessionFactory.java
@@ -340,7 +340,7 @@ public class DbSqlSessionFactory implements SessionFactory {
   }
   
   public Boolean isBulkInsertable(Class<? extends Entity> entityClass) {
-  	return bulkInsertableMap != null && bulkInsertableMap.get(entityClass);
+  	return bulkInsertableMap != null && bulkInsertableMap.containsKey(entityClass);
   }
 
   // getters and setters //////////////////////////////////////////////////////
diff --git a/modules/activiti5-engine/src/main/java/org/activiti5/engine/impl/db/DbSqlSessionFactory.java b/modules/activiti5-engine/src/main/java/org/activiti5/engine/impl/db/DbSqlSessionFactory.java
index 05dbeab3f823608bf1b4c4a80abf54620c2fcb47..e4bc41647e847b324fbe79e38e5c88c69590f1e6 100644
--- a/modules/activiti5-engine/src/main/java/org/activiti5/engine/impl/db/DbSqlSessionFactory.java
+++ b/modules/activiti5-engine/src/main/java/org/activiti5/engine/impl/db/DbSqlSessionFactory.java
@@ -332,7 +332,7 @@ public class DbSqlSessionFactory implements SessionFactory {
   }
   
   public Boolean isBulkInsertable(Class<? extends PersistentObject> persistentObjectClass) {
-  	return bulkInsertableMap != null && bulkInsertableMap.get(persistentObjectClass);
+  	return bulkInsertableMap != null && bulkInsertableMap.containsKey(persistentObjectClass);
   }
 
   // getters and setters //////////////////////////////////////////////////////