diff --git a/modules/juce_audio_formats/codecs/juce_FlacAudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_FlacAudioFormat.cpp
index bc346fefdb..5130d8df9c 100644
--- a/modules/juce_audio_formats/codecs/juce_FlacAudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_FlacAudioFormat.cpp
@@ -128,6 +128,7 @@ namespace FlacNamespace
  #define __STDC_LIMIT_MACROS 1
  #define flac_max jmax
  #define flac_min jmin
+ #undef DEBUG // (some flac code dumps debug trace if the app defines this macro)
  #include "flac/all.h"
  #include "flac/libFLAC/bitmath.c"
  #include "flac/libFLAC/bitreader.c"