diff --git a/extras/Projucer/JuceLibraryCode/AppConfig.h b/extras/Projucer/JuceLibraryCode/AppConfig.h
index be68fba614..9bd68fa42f 100644
--- a/extras/Projucer/JuceLibraryCode/AppConfig.h
+++ b/extras/Projucer/JuceLibraryCode/AppConfig.h
@@ -31,7 +31,9 @@
 
 // BEGIN SECTION A
 
-#define JUCER_ENABLE_GPL_MODE 0
+#ifndef JUCER_ENABLE_GPL_MODE
+ #define JUCER_ENABLE_GPL_MODE 0
+#endif
 
 // END SECTION A