diff --git a/lib/ansible/modules/extras/network/dnsimple.py b/lib/ansible/modules/extras/network/dnsimple.py
index 9aa52172f19..0825f4ba30b 100644
--- a/lib/ansible/modules/extras/network/dnsimple.py
+++ b/lib/ansible/modules/extras/network/dnsimple.py
@@ -159,7 +159,7 @@ def main():
     )
 
     if not HAS_DNSIMPLE:
-        module.fail_json("dnsimple required for this module")
+        module.fail_json(msg="dnsimple required for this module")
 
     account_email     = module.params.get('account_email')
     account_api_token = module.params.get('account_api_token')