diff --git a/extras/Projucer/Source/Application/jucer_CommonHeaders.h b/extras/Projucer/Source/Application/jucer_CommonHeaders.h
index cfecff4829..7873dd7482 100644
--- a/extras/Projucer/Source/Application/jucer_CommonHeaders.h
+++ b/extras/Projucer/Source/Application/jucer_CommonHeaders.h
@@ -27,8 +27,7 @@
 
 
 //==============================================================================
-// The GCC extensions define linux somewhere in the headers, so undef it here...
-#if JUCE_GCC
+#ifdef linux
  #undef linux
 #endif