diff --git a/src/common/engine/stats.h b/src/common/engine/stats.h
index 6734bfe72..563fc9529 100644
--- a/src/common/engine/stats.h
+++ b/src/common/engine/stats.h
@@ -132,6 +132,9 @@ inline uint64_t rdtsc()
 	}
 	while (upper != temp);
 	return (static_cast<unsigned long long>(upper) << 32) | lower;
+#elif defined __aarch64__
+	// TODO: Implement and test on ARM64
+	return 0;
 #else // i386
 	if (CPU.bRDTSC)
 	{
diff --git a/src/common/platform/posix/osx/iwadpicker_cocoa.mm b/src/common/platform/posix/osx/iwadpicker_cocoa.mm
index 8670ec2bd..1a1c2ee80 100644
--- a/src/common/platform/posix/osx/iwadpicker_cocoa.mm
+++ b/src/common/platform/posix/osx/iwadpicker_cocoa.mm
@@ -375,6 +375,8 @@ static NSString* GetArchitectureString()
 	return @"i386";
 #elif defined __x86_64__
 	return @"x86_64";
+#elif defined __aarch64__
+	return @"arm64";
 #endif
 }