diff --git a/audio/audio_comp.c b/audio/audio_comp.c
index 74939be602..fd93121d30 100644
--- a/audio/audio_comp.c
+++ b/audio/audio_comp.c
@@ -178,7 +178,7 @@ static int audio_comp_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
   int ret = -ENOTTY;
   int i;
 
-  caps->ac_channels   = 0;
+  caps->ac_channels   = UINT8_MAX;
   caps->ac_format.hw  = UINT16_MAX;
   caps->ac_controls.w = UINT32_MAX;
 
@@ -200,7 +200,7 @@ static int audio_comp_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
               break;
             }
 
-          if (caps->ac_channels < dup.ac_channels)
+          if (caps->ac_channels > dup.ac_channels)
             {
               caps->ac_channels = dup.ac_channels;
             }