diff --git a/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h b/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
index 9434555f6a..647bc328f2 100644
--- a/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
+++ b/modules/juce_audio_basics/native/juce_mac_CoreAudioLayouts.h
@@ -27,6 +27,12 @@ namespace juce
 
 struct CoreAudioLayouts
 {
+    //==============================================================================
+    enum
+    {
+        coreAudioHOASN3DLayoutTag = (190U<<16) | 0 // kAudioChannelLayoutTag_HOA_ACN_SN3D
+    };
+
     //==============================================================================
     /** Convert CoreAudio's native AudioChannelLayout to JUCE's AudioChannelSet.
 
@@ -53,7 +59,7 @@ struct CoreAudioLayouts
     static AudioChannelLayoutTag toCoreAudio (const AudioChannelSet& set)
     {
         if (set.getAmbisonicOrder() >= 0)
-            return kAudioChannelLayoutTag_HOA_ACN_SN3D | static_cast<unsigned> (set.size());
+            return coreAudioHOASN3DLayoutTag | static_cast<unsigned> (set.size());
 
         for (auto* tbl = SpeakerLayoutTable::get(); tbl->tag != 0; ++tbl)
         {
@@ -128,7 +134,7 @@ struct CoreAudioLayouts
         }
 
         auto numChannels = tag & 0xffff;
-        if (tag >= kAudioChannelLayoutTag_HOA_ACN_SN3D && tag <= (kAudioChannelLayoutTag_HOA_ACN_SN3D | 0xffff))
+        if (tag >= coreAudioHOASN3DLayoutTag && tag <= (coreAudioHOASN3DLayoutTag | 0xffff))
         {
             auto sqrtMinusOne   = std::sqrt (static_cast<float> (numChannels)) - 1.0f;
             auto ambisonicOrder = jmax (0, static_cast<int> (std::floor (sqrtMinusOne)));
@@ -159,7 +165,7 @@ private:
             tags.addIfNotAlreadyThere (tbl->tag);
 
         for (unsigned order = 0; order <= 5; ++order)
-            tags.addIfNotAlreadyThere (kAudioChannelLayoutTag_HOA_ACN_SN3D | ((order + 1) * (order + 1)));
+            tags.addIfNotAlreadyThere (coreAudioHOASN3DLayoutTag | ((order + 1) * (order + 1)));
 
         return tags;
     }
diff --git a/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
index 3b0647a6d0..990d80a636 100644
--- a/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
@@ -608,12 +608,12 @@ public:
     // some ambisonic tags which are not explicitely defined
     enum
     {
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_0Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 1,
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_1Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 4,
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_2Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 9,
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_3Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 16,
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_4Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 25,
-        kAudioChannelLayoutTag_HOA_ACN_SN3D_5Order = kAudioChannelLayoutTag_HOA_ACN_SN3D | 36
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_0Order = (190U<<16) | 1,
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_1Order = (190U<<16) | 4,
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_2Order = (190U<<16) | 9,
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_3Order = (190U<<16) | 16,
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_4Order = (190U<<16) | 25,
+        kAudioChannelLayoutTag_HOA_ACN_SN3D_5Order = (190U<<16) | 36
     };
 
     void runTest() override