diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c
--- a/sys/dev/sound/pcm/dsp.c
+++ b/sys/dev/sound/pcm/dsp.c
@@ -48,8 +48,8 @@
     &dsp_mmap_allow_prot_exec, 0,
     "linux mmap compatibility (-1=force disable 0=auto 1=force enable)");
 
-static int dsp_basename_clone = 1;
-SYSCTL_INT(_hw_snd, OID_AUTO, basename_clone, CTLFLAG_RWTUN,
+static bool dsp_basename_clone = true;
+SYSCTL_BOOL(_hw_snd, OID_AUTO, basename_clone, CTLFLAG_RWTUN,
     &dsp_basename_clone, 0,
     "DSP basename cloning (0: Disable; 1: Enabled)");