diff --git a/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
index 5d0c2785ac..b018b80a2e 100644
--- a/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_CoreAudioFormat.cpp
@@ -36,22 +36,69 @@ namespace
 {
     const char* const coreAudioFormatName = "CoreAudio supported file";
 
-    StringArray findFileExtensionsForCoreAudioCodecs()
+    StringArray getStringInfo (AudioFilePropertyID property, UInt32 size, void* data)
     {
-        StringArray extensionsArray;
         CFObjectHolder<CFArrayRef> extensions;
         UInt32 sizeOfArray = sizeof (extensions.object);
 
-        if (AudioFileGetGlobalInfo (kAudioFileGlobalInfo_AllExtensions, 0, nullptr, &sizeOfArray, &extensions.object) == noErr)
-        {
-            auto numValues = CFArrayGetCount (extensions.object);
+        const auto err = AudioFileGetGlobalInfo (property,
+                                                 size,
+                                                 data,
+                                                 &sizeOfArray,
+                                                 &extensions.object);
 
-            for (CFIndex i = 0; i < numValues; ++i)
-                extensionsArray.add ("." + String::fromCFString ((CFStringRef) CFArrayGetValueAtIndex (extensions.object, i)));
-        }
+        if (err != noErr)
+            return {};
+
+        const auto numValues = CFArrayGetCount (extensions.object);
+
+        StringArray extensionsArray;
+
+        for (CFIndex i = 0; i < numValues; ++i)
+            extensionsArray.add ("." + String::fromCFString ((CFStringRef) CFArrayGetValueAtIndex (extensions.object, i)));
 
         return extensionsArray;
     }
+
+    StringArray findFileExtensionsForCoreAudioCodec (AudioFileTypeID type)
+    {
+        return getStringInfo (kAudioFileGlobalInfo_ExtensionsForType, sizeof (AudioFileTypeID), &type);
+    }
+
+    StringArray findFileExtensionsForCoreAudioCodecs()
+    {
+        return getStringInfo (kAudioFileGlobalInfo_AllExtensions, 0, nullptr);
+    }
+
+    static AudioFileTypeID toAudioFileTypeID (CoreAudioFormat::StreamKind kind)
+    {
+        using StreamKind = CoreAudioFormat::StreamKind;
+
+        switch (kind)
+        {
+            case StreamKind::kAiff:                 return kAudioFileAIFFType;
+            case StreamKind::kAifc:                 return kAudioFileAIFCType;
+            case StreamKind::kWave:                 return kAudioFileWAVEType;
+            case StreamKind::kSoundDesigner2:       return kAudioFileSoundDesigner2Type;
+            case StreamKind::kNext:                 return kAudioFileNextType;
+            case StreamKind::kMp3:                  return kAudioFileMP3Type;
+            case StreamKind::kMp2:                  return kAudioFileMP2Type;
+            case StreamKind::kMp1:                  return kAudioFileMP1Type;
+            case StreamKind::kAc3:                  return kAudioFileAC3Type;
+            case StreamKind::kAacAdts:              return kAudioFileAAC_ADTSType;
+            case StreamKind::kMpeg4:                return kAudioFileMPEG4Type;
+            case StreamKind::kM4a:                  return kAudioFileM4AType;
+            case StreamKind::kM4b:                  return kAudioFileM4BType;
+            case StreamKind::kCaf:                  return kAudioFileCAFType;
+            case StreamKind::k3gp:                  return kAudioFile3GPType;
+            case StreamKind::k3gp2:                 return kAudioFile3GP2Type;
+            case StreamKind::kAmr:                  return kAudioFileAMRType;
+
+            case StreamKind::kNone:                 break;
+        }
+
+        return {};
+    }
 }
 
 //==============================================================================
@@ -559,45 +606,18 @@ private:
         return noErr;
     }
 
-    static AudioFileTypeID toAudioFileTypeID (StreamKind kind)
-    {
-        switch (kind)
-        {
-            case StreamKind::kAiff:                 return kAudioFileAIFFType;
-            case StreamKind::kAifc:                 return kAudioFileAIFCType;
-            case StreamKind::kWave:                 return kAudioFileWAVEType;
-            case StreamKind::kSoundDesigner2:       return kAudioFileSoundDesigner2Type;
-            case StreamKind::kNext:                 return kAudioFileNextType;
-            case StreamKind::kMp3:                  return kAudioFileMP3Type;
-            case StreamKind::kMp2:                  return kAudioFileMP2Type;
-            case StreamKind::kMp1:                  return kAudioFileMP1Type;
-            case StreamKind::kAc3:                  return kAudioFileAC3Type;
-            case StreamKind::kAacAdts:              return kAudioFileAAC_ADTSType;
-            case StreamKind::kMpeg4:                return kAudioFileMPEG4Type;
-            case StreamKind::kM4a:                  return kAudioFileM4AType;
-            case StreamKind::kM4b:                  return kAudioFileM4BType;
-            case StreamKind::kCaf:                  return kAudioFileCAFType;
-            case StreamKind::k3gp:                  return kAudioFile3GPType;
-            case StreamKind::k3gp2:                 return kAudioFile3GP2Type;
-            case StreamKind::kAmr:                  return kAudioFileAMRType;
-
-            case StreamKind::kNone:                 break;
-        }
-
-        return {};
-    }
-
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CoreAudioReader)
 };
 
 //==============================================================================
 CoreAudioFormat::CoreAudioFormat()
-    : CoreAudioFormat (StreamKind::kNone)
+    : AudioFormat (coreAudioFormatName, findFileExtensionsForCoreAudioCodecs()),
+      streamKind (StreamKind::kNone)
 {
 }
 
 CoreAudioFormat::CoreAudioFormat (StreamKind kind)
-    : AudioFormat (coreAudioFormatName, findFileExtensionsForCoreAudioCodecs()),
+    : AudioFormat (coreAudioFormatName, findFileExtensionsForCoreAudioCodec (toAudioFileTypeID (kind))),
       streamKind (kind)
 {
 }