diff --git a/Transmission.xcodeproj/project.pbxproj b/Transmission.xcodeproj/project.pbxproj
index bf00e84da..be315cf48 100644
--- a/Transmission.xcodeproj/project.pbxproj
+++ b/Transmission.xcodeproj/project.pbxproj
@@ -2329,7 +2329,7 @@
 		0053D3DA0C86774200545606 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ARCHS = "$(NATIVE_ARCH)";
+				ARCHS = "$(NATIVE_ARCH_ACTUAL)";
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;