diff --git a/gyp/gyp/input.py b/gyp/gyp/input.py
index 81246a6bd9..4b0023e7bd 100644
--- a/gyp/gyp/input.py
+++ b/gyp/gyp/input.py
@@ -958,7 +958,7 @@ def LoadVariablesFromVariablesDict(variables, the_dict, the_dict_key):
       if variable_name in variables:
         # If the variable is already set, don't set it.
         continue
-      if the_dict_key is 'variables' and variable_name in the_dict:
+      if the_dict_key == 'variables' and variable_name in the_dict:
         # If the variable is set without a % in the_dict, and the_dict is a
         # variables dict (making |variables| a varaibles sub-dict of a
         # variables dict), use the_dict's definition.
diff --git a/gyp/gyp/xcode_emulation.py b/gyp/gyp/xcode_emulation.py
index d284c39636..9864393d9a 100644
--- a/gyp/gyp/xcode_emulation.py
+++ b/gyp/gyp/xcode_emulation.py
@@ -525,7 +525,6 @@ def _XcodeSdkPath(self, sdk_root):
     return XcodeSettings._sdk_path_cache[sdk_root]
 
   def _AppendPlatformVersionMinFlags(self, lst):
-    self._Appendf(lst, 'MACOSX_DEPLOYMENT_TARGET', '-mmacosx-version-min=%s')
     if 'IPHONEOS_DEPLOYMENT_TARGET' in self._Settings():
       # TODO: Implement this better?
       sdk_path_basename = os.path.basename(self._SdkPath())
@@ -535,6 +534,8 @@ def _AppendPlatformVersionMinFlags(self, lst):
       else:
         self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET',
                       '-miphoneos-version-min=%s')
+    else:
+      self._Appendf(lst, 'MACOSX_DEPLOYMENT_TARGET', '-mmacosx-version-min=%s')
 
   def GetCflags(self, configname, arch=None):
     """Returns flags that need to be added to .c, .cc, .m, and .mm