diff --git a/alc/backends/coreaudio.cpp b/alc/backends/coreaudio.cpp
index b4b46382..cfa7703a 100644
--- a/alc/backends/coreaudio.cpp
+++ b/alc/backends/coreaudio.cpp
@@ -400,7 +400,9 @@ ALCenum CoreAudioCapture::open(const ALCchar *name)
     AudioComponentDescription desc;
     UInt32 outputFrameCount;
     UInt32 propertySize;
+#if !TARGET_OS_IOS
     AudioObjectPropertyAddress propertyAddress;
+#endif
     UInt32 enableIO;
     AudioComponent comp;
     OSStatus err;