diff --git a/DTCoreText.xcodeproj/project.pbxproj b/DTCoreText.xcodeproj/project.pbxproj
index 3944f886b..08fdc7ae6 100644
--- a/DTCoreText.xcodeproj/project.pbxproj
+++ b/DTCoreText.xcodeproj/project.pbxproj
@@ -3117,6 +3117,7 @@
 		A7949A6B14CC456100A8CCDE /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -3140,6 +3141,7 @@
 		A7949A6C14CC456100A8CCDE /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@@ -3357,6 +3359,7 @@
 		A7DC5D0017F833F1006ADDF5 /* Coverage */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = NO;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
@@ -3411,6 +3414,7 @@
 		A7DC5D0317F833F1006ADDF5 /* Coverage */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -3526,6 +3530,7 @@
 		E2262DD31638331500BFDAD7 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_EMPTY_BODY = YES;
@@ -3555,6 +3560,7 @@
 		E2262DD41638331500BFDAD7 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_WARN_EMPTY_BODY = YES;