diff --git a/convert-utility/ALACconvert.xcodeproj/project.pbxproj b/convert-utility/ALACconvert.xcodeproj/project.pbxproj
index 9b7d343..6995fdf 100644
--- a/convert-utility/ALACconvert.xcodeproj/project.pbxproj
+++ b/convert-utility/ALACconvert.xcodeproj/project.pbxproj
@@ -161,6 +161,8 @@
 /* Begin PBXProject section */
 		08FB7793FE84155DC02AAC07 /* Project object */ = {
 			isa = PBXProject;
+			attributes = {
+			};
 			buildConfigurationList = A9E1644E087DFBDE006BF7C2 /* Build configuration list for PBXProject "ALACconvert" */;
 			compatibilityVersion = "Xcode 2.4";
 			developmentRegion = English;
@@ -213,8 +215,7 @@
 		A9E1644B087DFBDE006BF7C2 /* Development */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				COPY_PHASE_STRIP = NO;
 				DEBUGGING_SYMBOLS = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
@@ -235,6 +236,7 @@
 				OTHER_REZFLAGS = "";
 				PRODUCT_NAME = alacconvert;
 				REZ_EXECUTABLE = YES;
+				SDKROOT = macosx;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
 					"-Wmost",
@@ -248,8 +250,7 @@
 		A9E1644C087DFBDE006BF7C2 /* Deployment - Fat */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				COPY_PHASE_STRIP = YES;
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
@@ -267,6 +268,7 @@
 				OTHER_REZFLAGS = "";
 				PRODUCT_NAME = alacconvert;
 				REZ_EXECUTABLE = YES;
+				SDKROOT = macosx;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
 					"-Wmost",
@@ -280,8 +282,7 @@
 		A9E1644D087DFBDE006BF7C2 /* Default */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				FRAMEWORK_SEARCH_PATHS = "";
 				GCC_ENABLE_TRIGRAPHS = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
@@ -297,6 +298,7 @@
 				OTHER_REZFLAGS = "";
 				PRODUCT_NAME = alacconvert;
 				REZ_EXECUTABLE = YES;
+				SDKROOT = macosx;
 				SECTORDER_FLAGS = "";
 				WARNING_CFLAGS = (
 					"-Wmost",
@@ -309,27 +311,27 @@
 		A9E1644F087DFBDE006BF7C2 /* Development */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				HEADER_SEARCH_PATHS = "";
+				SDKROOT = macosx;
 			};
 			name = Development;
 		};
 		A9E16450087DFBDE006BF7C2 /* Deployment - Fat */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				HEADER_SEARCH_PATHS = "";
+				SDKROOT = macosx;
 			};
 			name = "Deployment - Fat";
 		};
 		A9E16451087DFBDE006BF7C2 /* Default */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1)";
-				ARCHS_STANDARD_32_64_BIT_PRE_XCODE_3_1 = "x86_64 i386 ppc";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				HEADER_SEARCH_PATHS = "";
+				SDKROOT = macosx;
 			};
 			name = Default;
 		};