diff --git a/cfg-common.h b/cfg-common.h
index c096865bb5..881b986cb4 100644
--- a/cfg-common.h
+++ b/cfg-common.h
@@ -135,7 +135,7 @@
 	{"fps", &force_fps, CONF_TYPE_FLOAT, CONF_MIN, 0, 0, NULL},
 	{"srate", &force_srate, CONF_TYPE_INT, CONF_RANGE, 1000, 8*48000, NULL},
 	{"channels", &audio_output_channels, CONF_TYPE_INT, CONF_RANGE, 1, 6, NULL},
-	{"format", &audio_output_format, CONF_TYPE_INT, CONF_RANGE, 0, 0x00002000, NULL},
+	{"format", &audio_output_format, CONF_TYPE_AFMT, 0, 0, 0, NULL},
 
 #ifdef USE_LIBA52
         {"a52drc", &a52_drc_level, CONF_TYPE_FLOAT, CONF_RANGE, 0, 1, NULL},