diff --git a/src/macosx/AboutBox.m b/src/macosx/AboutBox.m
index 0243fc564..5ebcbfe56 100644
--- a/src/macosx/AboutBox.m
+++ b/src/macosx/AboutBox.m
@@ -89,7 +89,7 @@ static AboutBox *sharedInstance = nil;
     [creditsField replaceCharactersInRange:NSMakeRange( 0, 0 ) 
                     withRTF:[creditsString RTFFromRange:
                     NSMakeRange( 0, [creditsString length] ) 
-                    documentAttributes:nil]];
+                    documentAttributes:@{NSDocumentTypeDocumentAttribute: NSRTFTextDocumentType}]];
 
     // Prepare some scroll info
     creditsBounds = [creditsField bounds];
diff --git a/src/macosx/stella.xcodeproj/project.pbxproj b/src/macosx/stella.xcodeproj/project.pbxproj
index cbdca0637..186c4e944 100644
--- a/src/macosx/stella.xcodeproj/project.pbxproj
+++ b/src/macosx/stella.xcodeproj/project.pbxproj
@@ -2051,7 +2051,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0630;
+				LastUpgradeCheck = 0700;
 				ORGANIZATIONNAME = net.sourceforge.stella;
 			};
 			buildConfigurationList = 2D91752109BA903B0026E9FF /* Build configuration list for PBXProject "stella" */;
@@ -2388,6 +2388,7 @@
 				LIBRARY_SEARCH_PATHS = "$(LIBRARY_SEARCH_PATHS)";
 				OTHER_CFLAGS = "";
 				OTHER_LDFLAGS = "-lz";
+				PRODUCT_BUNDLE_IDENTIFIER = net.sourceforge.Stella;
 				PRODUCT_NAME = Stella;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
@@ -2439,6 +2440,7 @@
 				LIBRARY_SEARCH_PATHS = "$(LIBRARY_SEARCH_PATHS)";
 				OTHER_CFLAGS = "";
 				OTHER_LDFLAGS = "-lz";
+				PRODUCT_BUNDLE_IDENTIFIER = net.sourceforge.Stella;
 				PRODUCT_NAME = Stella;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
@@ -2489,6 +2491,7 @@
 				LIBRARY_SEARCH_PATHS = .;
 				OTHER_CFLAGS = "";
 				OTHER_LDFLAGS = "-lz";
+				PRODUCT_BUNDLE_IDENTIFIER = net.sourceforge.Stella;
 				PRODUCT_NAME = Stella;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
@@ -2513,6 +2516,7 @@
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_TESTABILITY = YES;
 				FRAMEWORK_SEARCH_PATHS = (
 					.,
 					"$(HOME)/Library/Frameworks",
@@ -2531,6 +2535,7 @@
 				INSTALL_PATH = "@rpath";
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
 				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
 				VALID_ARCHS = x86_64;
 				WARNING_CFLAGS = "-Wall";