diff --git a/binding.gyp b/binding.gyp
index c933421..8ecef94 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -2,38 +2,23 @@
   "targets": [
     {
       "target_name": "NodeSSPI",
-      "cflags!": [ "-fno-exceptions" ],
-      "cflags_cc!": [ "-fno-exceptions" ],
-      "xcode_settings": { "GCC_ENABLE_CPP_EXCEPTIONS": "YES",
-        "CLANG_CXX_LIBRARY": "libc++",
-        "MACOSX_DEPLOYMENT_TARGET": "10.7",
-      },
+      "cflags!": ["-fno-exceptions"],
+      "cflags_cc!": ["-fno-exceptions"],
       "msvs_settings": {
-        "VCCLCompilerTool": { "ExceptionHandling": 1 },
+        "VCCLCompilerTool": { "ExceptionHandling": 1 }
       },
-      "sources": [
-        "src/*.h",
-        "src/*.cpp",
-      ],
-      'defines': [
-        '_UNICODE',
-        'UNICODE',
-      ],      
-      'configurations': {
-        'Release': {
-          'msvs_settings': {
-            'VCCLCompilerTool': {
-              'ExceptionHandling': 1,
+      "sources": ["src/*.h", "src/*.cpp"],
+      "defines": ["_UNICODE", "UNICODE"],
+      "configurations": {
+        "Release": {
+          "msvs_settings": {
+            "VCCLCompilerTool": {
+              "ExceptionHandling": 1
             }
-          }          
+          }
         }
       },
-      "include_dirs" : [
-        "<!@(node -p \"require('node-addon-api').include\")"
-      ],
-      "dependencies": [
-        "<!(node -p \"require('node-addon-api').gyp\")"
-      ]
+      "include_dirs": ["<!@(node -p \"require('node-addon-api').include\")"]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/nbproject/project.properties b/nbproject/project.properties
deleted file mode 100644
index 04fd82a..0000000
--- a/nbproject/project.properties
+++ /dev/null
@@ -1,4 +0,0 @@
-files.encoding=UTF-8
-project.license=mit
-site.root.folder=
-source.folder=
diff --git a/nbproject/project.xml b/nbproject/project.xml
deleted file mode 100644
index 67fbcc3..0000000
--- a/nbproject/project.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://www.netbeans.org/ns/project/1">
-    <type>org.netbeans.modules.web.clientproject</type>
-    <configuration>
-        <data xmlns="http://www.netbeans.org/ns/clientside-project/1">
-            <name>node-sspi</name>
-        </data>
-    </configuration>
-</project>
diff --git a/package-lock.json b/package-lock.json
index 3ffeaef..7a02540 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "node-sspi",
-  "version": "0.2.5",
+  "version": "0.2.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -9,11 +9,6 @@
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz",
       "integrity": "sha1-FK1hE4EtLTfXLme0ystLtyZQXxE="
     },
-    "nan": {
-      "version": "2.11.1",
-      "resolved": "https://registry.npmjs.org/nan/-/nan-2.11.1.tgz",
-      "integrity": "sha512-iji6k87OSXa0CcrLl9z+ZiYSuR2o+c0bGuNmXdrhTQTakxytAFsC56SArGYoiHlJlFoHSnvmhpceZJaXkVuOtA=="
-    },
     "node-addon-api": {
       "version": "1.7.1",
       "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.1.tgz",
diff --git a/package.json b/package.json
index 4bb0298..e5fb7d6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-sspi",
-  "version": "0.2.5",
+  "version": "0.2.6",
   "description": "Windows SSPI server-side authentication for Node",
   "main": "index.js",
   "author": "Fred Wen<wenfred@gmail.com>",
@@ -9,7 +9,7 @@
     "install": "node ./build.js"
   },
   "dependencies": {
-    "node-addon-api": "1.7.1",
+    "node-addon-api": "^1.7.1",
     "bindings": "^1.1.1"
   },
   "engines": {
diff --git a/src/NodeSSPI.cpp b/src/NodeSSPI.cpp
index 86e6cd0..19639db 100644
--- a/src/NodeSSPI.cpp
+++ b/src/NodeSSPI.cpp
@@ -408,7 +408,8 @@ void WrapUpAsyncAfterAuth(const Env env, Baton* pBaton) {
 		}
 	}
 	else {
-		if (lRes.Get(Napi::String::New(env, "statusCode")).As<Napi::Number>().Int32Value() == 401) {
+		Napi::Value v = lRes.Get(Napi::String::New(env, "statusCode"));
+		if (v.IsNumber() &&  v.ToNumber().Int32Value() == 401) {
 			napi_value argv[] = { Napi::String::New(env, "Login aborted.") };
 			if (lOpts.Get(Napi::String::New(env, "authoritative")).As<Napi::Boolean>().Value()) {
 				lRes.Get(Napi::String::New(env, "end")).As<Napi::Function>().Call(lRes, 1, argv);