diff --git a/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h b/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
index 8fa387a638..fe79a371ed 100644
--- a/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
+++ b/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
@@ -23,7 +23,7 @@
 namespace juce
 {
 
-#if JUCE_MAC || JUCE_IOS && ! DOXYGEN
+#if ! DOXYGEN && (JUCE_MAC || JUCE_IOS)
 
 struct CoreAudioLayouts
 {