diff --git a/cli/example/ifconfig.ovh.json b/cli/example/ifconfig.ovh.json
new file mode 100644
index 0000000..7af384e
--- /dev/null
+++ b/cli/example/ifconfig.ovh.json
@@ -0,0 +1,32 @@
+{
+    "openapi": "3.0.1",
+    "info": {
+        "title": "Ifconfig",
+        "version": "v1"
+    },
+    "servers": [
+        {
+            "description": "Production",
+            "url": "https://ifconfig.ovh"
+        }
+    ],
+    "paths": {
+        "/": {
+            "get": {
+                "responses": {
+                    "200": {
+                        "description": "Success",
+                        "content": {
+                            "text/plain": {
+                                "schema": {
+                                    "type": "string",
+                                    "format": "ip"
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/cli/src/TestGenScript.elm b/cli/src/TestGenScript.elm
index e5daabb..3e2bf07 100644
--- a/cli/src/TestGenScript.elm
+++ b/cli/src/TestGenScript.elm
@@ -74,6 +74,10 @@ run =
         gitHub =
             OpenApi.Config.inputFrom (OpenApi.Config.File "./example/github-spec.json")
 
+        ifconfigOvh : OpenApi.Config.Input
+        ifconfigOvh =
+            OpenApi.Config.inputFrom (OpenApi.Config.File "./example/ifconfig.ovh.json")
+
         anyOfEnums : OpenApi.Config.Input
         anyOfEnums =
             OpenApi.Config.inputFrom (OpenApi.Config.File "./example/anyOfEnums.yaml")
@@ -107,6 +111,7 @@ run =
                 |> OpenApi.Config.withInput trustmark
                 |> OpenApi.Config.withInput trustmarkTradeCheck
                 |> OpenApi.Config.withInput gitHub
+                |> OpenApi.Config.withInput ifconfigOvh
                 |> OpenApi.Config.withInput anyOfEnums
                 |> OpenApi.Config.withInput binaryResponse
                 |> OpenApi.Config.withInput nullableEnum