diff --git a/mac_build/boinc.xcodeproj/project.pbxproj b/mac_build/boinc.xcodeproj/project.pbxproj
index 9a5ebbbbdf..341e51023a 100755
--- a/mac_build/boinc.xcodeproj/project.pbxproj
+++ b/mac_build/boinc.xcodeproj/project.pbxproj
@@ -3862,7 +3862,7 @@
 		DD9843DD09920F220090855B /* Deployment */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = NO;
 				GCC_ENABLE_OBJC_GC = supported;
 				HEADER_SEARCH_PATHS = "";
@@ -4034,7 +4034,7 @@
 		DD9E2362091CBDAE0048316E /* Development */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				ARCHS = "$(ARCHS_STANDARD_32_64_BIT)";
 				CLANG_ENABLE_OBJC_ARC = NO;
 				GCC_ENABLE_OBJC_GC = supported;
 				HEADER_SEARCH_PATHS = "";