diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index a28eab9..73cbbcd 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
   "name": "apikana",
-  "version": "0.9.33",
+  "version": "0.9.34",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9bd931e..e9d4067 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "apikana",
-  "version": "0.9.33",
+  "version": "0.9.34",
   "description": "Integrated tools for REST API design - ｱﾋﾟ",
   "main": "index.js",
   "bin": {
diff --git a/src/generate-schema.js b/src/generate-schema.js
index 8511b85..aa883b7 100644
--- a/src/generate-schema.js
+++ b/src/generate-schema.js
@@ -24,6 +24,7 @@ module.exports = {
                 log.info('Found definition', colors.magenta(name));
                 var schema = schemas[name];
                 var v3 = handleAllOf(schema);
+                unquoteEnumValues(schema);
                 removeDefinitions(schema);
                 replaceLocalRef(schema);
                 replaceLocalRef(v3);
@@ -154,6 +155,16 @@ module.exports = {
             }
         }
 
+        function unquoteEnumValues(schema) {
+            if (schema.enum) {
+                schema.enum = schema.enum.map(v => v
+                    .replace(/^"/, "")
+                    .replace(/^'/, "")
+                    .replace(/"$/, "")
+                    .replace(/'$/, ""));
+            }
+        }
+
         function removeDefinitions(schema) {
             for (var type in schema.definitions) {
                 var info = schemaInfos[type];