diff --git a/moto/rds2/models.py b/moto/rds2/models.py
index 5cb05ebeb..37ecbf873 100644
--- a/moto/rds2/models.py
+++ b/moto/rds2/models.py
@@ -135,7 +135,7 @@ class Database(object):
             "engine": properties.get("Engine"),
             "engine_version": properties.get("EngineVersion"),
             "iops": properties.get("Iops"),
-            "master_password": properties.get('MasterUserPassword'),
+            "master_user_password": properties.get('MasterUserPassword'),
             "master_username": properties.get('MasterUsername'),
             "multi_az": properties.get("MultiAZ"),
             "port": properties.get('Port', 3306),
diff --git a/moto/rds2/responses.py b/moto/rds2/responses.py
index daa068aa6..bd51f6ea0 100644
--- a/moto/rds2/responses.py
+++ b/moto/rds2/responses.py
@@ -27,7 +27,7 @@ class RDS2Response(BaseResponse):
             "engine": self._get_param("Engine"),
             "engine_version": self._get_param("EngineVersion"),
             "iops": self._get_int_param("Iops"),
-            "master_password": self._get_param('MasterUserPassword'),
+            "master_user_password": self._get_param('MasterUserPassword'),
             "master_username": self._get_param('MasterUsername'),
             "multi_az": self._get_bool_param("MultiAZ"),
             # OptionGroupName
@@ -504,4 +504,4 @@ ADD_TAGS_TO_RESOURCE_TEMPLATE = \
 
 REMOVE_TAGS_FROM_RESOURCE_TEMPLATE = \
    """{"RemoveTagsFromResourceResponse": {"ResponseMetadata": {"RequestId": "c6499a01-a664-11e4-8069-fb454b71a80e"}}}
-   """
\ No newline at end of file
+   """