diff --git a/ide/Xcode4/FLTK.xcodeproj/project.pbxproj b/ide/Xcode4/FLTK.xcodeproj/project.pbxproj
index 53e948b48..c1c73af67 100644
--- a/ide/Xcode4/FLTK.xcodeproj/project.pbxproj
+++ b/ide/Xcode4/FLTK.xcodeproj/project.pbxproj
@@ -13841,12 +13841,11 @@
 		793DEFB743639835433A664B /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				ARCHS = "$(NATIVE_ARCH_ACTUAL)";
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				SDKROOT = "";
 			};
 			name = Release;
@@ -15086,12 +15085,11 @@
 		AC3226B9FE17327A0476ACA0 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
+				ARCHS = "$(NATIVE_ARCH_ACTUAL)";
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.7;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = "";
 			};