diff --git a/modules/juce_core/system/juce_TargetPlatform.h b/modules/juce_core/system/juce_TargetPlatform.h
index ee433d3387..7850b4c6e9 100644
--- a/modules/juce_core/system/juce_TargetPlatform.h
+++ b/modules/juce_core/system/juce_TargetPlatform.h
@@ -128,7 +128,7 @@
 
 // Expands to true if the API of the specified version is available at build time, false otherwise
 #define JUCE_MAC_API_VERSION_CAN_BE_BUILT(major, minor) \
-    ((major) * 10000 + (minor) * 100 <= MAC_OS_X_VERSION_MAX_ALLOWED)
+    ((major) * 10000 + (minor) * 100 <= __MAC_OS_X_VERSION_MAX_ALLOWED)
 
 // Expands to true if the API of the specified version is available at build time, false otherwise
 #define JUCE_IOS_API_VERSION_CAN_BE_BUILT(major, minor) \
@@ -136,7 +136,7 @@
 
 // Expands to true if the deployment target is greater or equal to the specified version, false otherwise
 #define JUCE_MAC_API_VERSION_MIN_REQUIRED_AT_LEAST(major, minor) \
-    ((major) * 10000 + (minor) * 100 <= MAC_OS_X_VERSION_MIN_REQUIRED)
+    ((major) * 10000 + (minor) * 100 <= __MAC_OS_X_VERSION_MIN_REQUIRED)
 
 // Expands to true if the deployment target is greater or equal to the specified version, false otherwise
 #define JUCE_IOS_API_VERSION_MIN_REQUIRED_AT_LEAST(major, minor) \