diff --git a/examples/valid/demo-orderapi-v3.oas2.yaml b/examples/valid/demo-orderapi-v3.oas2.yaml
index 325cbe0..f9a2e34 100644
--- a/examples/valid/demo-orderapi-v3.oas2.yaml
+++ b/examples/valid/demo-orderapi-v3.oas2.yaml
@@ -16,6 +16,8 @@ produces:
 schemes:
   - https
 
+host: "example.com"
+
 securityDefinitions:
    'API Key':
      type: apiKey