diff --git a/lib/index.js b/lib/index.js
index baa7e5b..b4e29a8 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -46,9 +46,7 @@ const register = async function (server, options, next) {
 
     const spec = await Parser.validate(api);
 
-    spec.basePath = Utils.prefix(spec.basePath || '/', '/');
-
-    const basePath = Utils.unsuffix(spec.basePath, '/');
+    spec.basePath = Utils.unsuffix(Utils.prefix(spec.basePath || '/', '/'), '/');
 
     //Expose plugin api
     server.expose({
@@ -107,7 +105,7 @@ const register = async function (server, options, next) {
     //API docs route
     server.route({
         method: 'GET',
-        path: basePath + docs.path,
+        path: spec.basePath + docs.path,
         config: {
             handler(request, h) {
                 return apiDocument;
diff --git a/lib/validators.js b/lib/validators.js
index 44c7f59..48bd577 100644
--- a/lib/validators.js
+++ b/lib/validators.js
@@ -140,7 +140,7 @@ const create = function (options = {}) {
             return this.parameter.type === 'file' ? result.value : result;
         };
 
-        for (const parameter of operation.parameters) {
+        for (const parameter of operation.parameters || []) {
             const validator = makeValidator(parameter, operation.consumes || options.api.consumes);
 
             switch (validator.parameter.in) {
diff --git a/test/fixtures/defs/minimal.json b/test/fixtures/defs/minimal.json
new file mode 100644
index 0000000..7edb903
--- /dev/null
+++ b/test/fixtures/defs/minimal.json
@@ -0,0 +1,18 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "1.0.0",
+    "title": "Test a very minimal schema (validating the specs)"
+  },
+  "paths": {
+    "/pets": {
+      "get": {
+        "responses": {
+          "200": {
+            "description": "default response"
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/test/test-swaggerize-hapi.js b/test/test-swaggerize-hapi.js
index b2980e5..d4562d3 100644
--- a/test/test-swaggerize-hapi.js
+++ b/test/test-swaggerize-hapi.js
@@ -115,6 +115,33 @@ Test('test plugin', function (t) {
         }
     });
 
+    t.test('minimal', async function (t) {
+        t.plan(1);
+
+        const server = new Hapi.Server();
+
+        try {
+            await server.register({
+                plugin: Swaggerize,
+                options: {
+                    api: Path.join(__dirname, './fixtures/defs/minimal.json'),
+                    handlers: Path.join(__dirname, './fixtures/handlers')
+                }
+            });
+
+            let response = await server.inject({
+                method: 'GET',
+                url: '/pets'
+            });
+
+            t.strictEqual(response.statusCode, 200, `${response.request.path} OK.`);
+
+        }
+        catch (error) {
+            t.fail(error.message);
+        }
+
+    });
 
     t.test('routes', async function (t) {
         t.plan(5);