diff --git a/lib/ansible/modules/cloud/amazon/elasticache.py b/lib/ansible/modules/cloud/amazon/elasticache.py
index 84ddd6ca366..8bcf5cd84e5 100644
--- a/lib/ansible/modules/cloud/amazon/elasticache.py
+++ b/lib/ansible/modules/cloud/amazon/elasticache.py
@@ -369,7 +369,7 @@ class ElastiCacheManager(object):
             'EngineVersion': self.cache_engine_version
         }
         for key, value in modifiable_data.items():
-            if value is not None and self.data[key] != value:
+            if value is not None and value and self.data[key] != value:
                 return True
 
         # Check cache security groups