diff --git a/bin/prompt.js b/bin/prompt.js
index 48c84de..4d7b4cb 100644
--- a/bin/prompt.js
+++ b/bin/prompt.js
@@ -34,6 +34,7 @@ module.exports.start = function(schema, cb) {
             if(!line && currentQuestion.default) {
                 line = currentQuestion.default(results)
             }
+            line = line.length && line || undefined
             results[currentQuestion.name] = line;
             idx++;
             if(idx >= schema.length) {
diff --git a/test.json b/test.json
new file mode 100644
index 0000000..626ab3c
--- /dev/null
+++ b/test.json
@@ -0,0 +1,45 @@
+{
+	"name": "test",
+	"description": "Hadasd.",
+	"info": {
+		"contact": {
+			"name": "Niclas Thobaben",
+			"email": "info@nclazz.de",
+			"url": "nclazz.de"
+		}
+	},
+	"imports": [],
+	"headers": [],
+	"enums": {},
+	"interfaces": {},
+	"models": {
+		"healthcheck": {
+			"description": "A simple response indicating the health status of a service.",
+			"fields": [
+				{
+					"name": "status",
+					"type": "string"
+				}
+			]
+		}
+	},
+	"unions": {},
+	"resources": {
+		"healthcheck": {
+			"path": "/_internal_/healthcheck",
+			"operations": {
+				"method": "GET",
+				"path": "/healthcheck",
+				"description": "Simple healthcheck endpoint to test the status of the service.",
+				"responses": {
+					"200": {
+						"type": "healthcheck",
+						"description": "Get the current health status of the service."
+					}
+				}
+			}
+		}
+	},
+	"attributes": {},
+	"annotations": {}
+}
\ No newline at end of file