diff --git a/libaf/af_mp.c b/libaf/af_mp.c
index ea7cbcbe87..0ad0f6570e 100644
--- a/libaf/af_mp.c
+++ b/libaf/af_mp.c
@@ -33,7 +33,7 @@ int af_format_decode(int ifmt)
   case(AFMT_AC3):
     ofmt = AF_FORMAT_AC3; break;
   case(AFMT_FLOAT):
-    ofmt = AF_FORMAT_F; break;
+    ofmt = AF_FORMAT_F | AF_FORMAT_NE; break;
   default: 
     //This can not happen .... 
     af_msg(AF_MSG_FATAL,"Unrecognized input audio format %i\n",ifmt);