diff --git a/Tests/MP3DecoderTests.cpp b/Tests/MP3DecoderTests.cpp
index be19f3c513..40d382e7d0 100644
--- a/Tests/MP3DecoderTests.cpp
+++ b/Tests/MP3DecoderTests.cpp
@@ -92,7 +92,7 @@ static void runMp3TwoPieceTestWithBackend(int backend) {
     EXPECT_TRUE(cmp==0);
 }
 
-#if !TARGET_CPU_ARM64
+#if !__aarch64__
 // FIXME: Looks like MPG123 generates bad data in that test. Needs proper debugging on arm64 host.
 TEST_F(MP3DecoderTests, test_DecodeMP3As2PiecesMPG123_SameAs1Piece) {
     runMp3TwoPieceTestWithBackend(0); // mpg123