diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index 3bdfac5a8c..22776150dc 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -2973,10 +2973,10 @@ void mpeg_init(int volume, int bass, int treble, int balance, int loudness,
     loudness = bass_boost = avc;
 #endif
 
-    PAIOR |= 0x0800; /* output for /PR */
     setup_sci0();
 
 #ifdef HAVE_MAS3587F
+    PAIOR |= 0x0800; /* output for /PR */
     init_playback();
     
     mas_version_code = mas_readver();