diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index c63b4034d..4e9969d0b 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -2726,12 +2726,14 @@ void cmGlobalXCodeGenerator
     buildSettings->AddAttribute("SDKROOT", 
                                 this->CreateString(sysroot));
     std::string archString;
+    const char* sep = "";
     for( std::vector<std::string>::iterator i = 
            this->Architectures.begin();
          i != this->Architectures.end(); ++i)
       {
+      archString += sep;
       archString += *i;
-      archString += " ";
+      sep = " ";
       }
     buildSettings->AddAttribute("ARCHS", 
                                 this->CreateString(archString.c_str()));
diff --git a/Source/cmXCodeObject.cxx b/Source/cmXCodeObject.cxx
index 07c7b8cf1..592047031 100644
--- a/Source/cmXCodeObject.cxx
+++ b/Source/cmXCodeObject.cxx
@@ -236,7 +236,7 @@ void cmXCodeObject::PrintString(std::ostream& os) const
   // considered special by the Xcode project file parser.
   bool needQuote =
     (this->String.empty() ||
-     this->String.find_first_of(" <>.+-=@") != this->String.npos);
+     this->String.find_first_of(" <>.+-=@$") != this->String.npos);
   const char* quote = needQuote? "\"" : "";
 
   // Print the string, quoted and escaped as necessary.