diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index e4038c78d..c61777cc8 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,10 +1,15 @@
+2014-03-19  Christopher Faylor  <me.cygwin2014@cgf.cx>
+
+	* fhandler_dsp.cc (fhandler_dev_dsp::ioctl): Actually pass ioctl
+	argument to _ioctl.
+
 2014-03-19  Christopher Faylor  <me.cygwin2014@cgf.cx>
 
 	* fhandler.h (fhandler_dev_dsp): Remove variable names from
 	declarations.
 	(fhandler_dev_dsp::close_audio_in): Make __reg1.
 	(fhandler_dev_dsp::close_audio_out): Make __reg2.
-	* fhandler_dev_dsp.cc (fhandler_dev_dsp::close_audio_in): Make __reg1.
+	* fhandler_dsp.cc (fhandler_dev_dsp::close_audio_in): Make __reg1.
 	(fhandler_dev_dsp::close_audio_out): Make __reg2.
 	(fhandler_dev_dsp::close): Don't abruptly terminate sound just because
 	we are exiting.
diff --git a/winsup/cygwin/fhandler_dsp.cc b/winsup/cygwin/fhandler_dsp.cc
index 2f5019b2c..af6c2ea07 100644
--- a/winsup/cygwin/fhandler_dsp.cc
+++ b/winsup/cygwin/fhandler_dsp.cc
@@ -1018,9 +1018,9 @@ fhandler_dev_dsp::read (void *ptr, size_t& len)
 }
 
 int
-fhandler_dev_dsp::ioctl (unsigned int cmd, void *)
+fhandler_dev_dsp::ioctl (unsigned int cmd, void *buf)
 {
-  return base ()->_ioctl (cmd, NULL);
+  return base ()->_ioctl (cmd, buf);
 }
 
 void