diff --git a/src/main/java/neatlogic/framework/dao/cache/NeatLogicConcurrentSafeCache.java b/src/main/java/neatlogic/framework/dao/cache/NeatLogicConcurrentSafeCache.java
index 8249070b3e0ea0ef4f096fe8f86baa7a4fef59a6..e9826018e1507b1ea908e38c09c56d3213986a85 100644
--- a/src/main/java/neatlogic/framework/dao/cache/NeatLogicConcurrentSafeCache.java
+++ b/src/main/java/neatlogic/framework/dao/cache/NeatLogicConcurrentSafeCache.java
@@ -182,7 +182,9 @@ public class NeatLogicConcurrentSafeCache implements Cache {
 
     @Override
     public void putObject(Object key, Object value) {
-        getCache().put(key, value);
+        if (value != null) {
+            getCache().put(key, value);
+        }
         String lockKey = generateLockKey(getId(), key);
         ReentrantLock lock = LOCAL_LOCK_MAP.get(lockKey);
         if (lock != null && lock.isLocked() && lock.isHeldByCurrentThread()) {
@@ -238,4 +240,4 @@ public class NeatLogicConcurrentSafeCache implements Cache {
         }
         return resultList;
     }
-}
\ No newline at end of file
+}