diff --git a/lookup_plugins/re2oapi.py b/lookup_plugins/re2oapi.py
index 6dcbe2b9..3e047916 100644
--- a/lookup_plugins/re2oapi.py
+++ b/lookup_plugins/re2oapi.py
@@ -12,8 +12,6 @@ For now:
 TODO: Implement a small client for our needs, this will also remove the sys.path extension ...
 """
 
-
-
 from ansible.plugins.lookup import LookupBase
 from ansible.errors import AnsibleError
 
@@ -47,6 +45,10 @@ class LookupModule(LookupBase):
         if api_hostname is None:
             raise AnsibleError('You must specify a hostname to contact re2oAPI')
 
+        if api_username is None and api_password is None:
+            api_username = variables.get('vault_re2o_service_user')
+            api_password = variables.get('vault_re2o_service_password')
+
         if api_username is None:
             raise AnsibleError('You must specify a valid username to connect to re2oAPI')