diff --git a/src/juce_core/basics/juce_PlatformDefs.h b/src/juce_core/basics/juce_PlatformDefs.h
index dfd2190007..3e11cd0037 100644
--- a/src/juce_core/basics/juce_PlatformDefs.h
+++ b/src/juce_core/basics/juce_PlatformDefs.h
@@ -116,6 +116,10 @@
   #if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_4)
     #define MACOS_10_3_OR_EARLIER 1
   #endif
+
+  #if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5)
+    #define MACOS_10_4_OR_EARLIER 1
+  #endif
 #endif
 
 //==============================================================================