diff --git a/gyp/XCodeDetect.py b/gyp/XCodeDetect.py
index cc7b8fac..10df40d4 100644
--- a/gyp/XCodeDetect.py
+++ b/gyp/XCodeDetect.py
@@ -58,8 +58,8 @@ def HasIPhoneSDK():
 
     if 'HasIPhoneSDK' not in XCodeDetect._cache:
       try:
-        out = run('xcrun', '--sdk', 'iphoneos', '--show-sdk-path')
+        run('xcrun', '--sdk', 'iphoneos', '--show-sdk-path')
+        XCodeDetect._cache['HasIPhoneSDK'] = True
       except subprocess.CalledProcessError:
-        out = 1
-      XCodeDetect._cache['HasIPhoneSDK'] = out == 0
+        XCodeDetect._cache['HasIPhoneSDK'] = False
     return XCodeDetect._cache['HasIPhoneSDK']