1 files changed, 1 insertions, 1 deletions
diff --git a/mp3lib/mp3.h b/mp3lib/mp3.h
index 2e9a1312bc..f6f5a4dea7 100644
--- a/mp3lib/mp3.h
+++ b/mp3lib/mp3.h
@@ -1,7 +1,7 @@
 /* MP3 Player Library 2.0      (C) 1999 A'rpi/Astral&ESP-team  */
 
 /* decoder level: */
-#ifdef USE_FAKE_MONO
+#ifdef CONFIG_FAKE_MONO
 extern void MP3_Init(int fakemono);
 #else
 extern void MP3_Init();