diff --git a/Modules/ossaudiodev.c b/Modules/ossaudiodev.c
index 9bfd55e..ccc7882 100644
--- a/Modules/ossaudiodev.c
+++ b/Modules/ossaudiodev.c
@@ -1016,7 +1016,9 @@
     _EXPORT_INT(m, SNDCTL_DSP_GETODELAY);
     _EXPORT_INT(m, SNDCTL_DSP_GETOPTR);
     _EXPORT_INT(m, SNDCTL_DSP_GETOSPACE);
+#ifdef SNDCTL_DSP_GETSPDIF
     _EXPORT_INT(m, SNDCTL_DSP_GETSPDIF);
+#endif
     _EXPORT_INT(m, SNDCTL_DSP_GETTRIGGER);
     _EXPORT_INT(m, SNDCTL_DSP_MAPINBUF);
     _EXPORT_INT(m, SNDCTL_DSP_MAPOUTBUF);
@@ -1028,7 +1030,9 @@
     _EXPORT_INT(m, SNDCTL_DSP_SETDUPLEX);
     _EXPORT_INT(m, SNDCTL_DSP_SETFMT);
     _EXPORT_INT(m, SNDCTL_DSP_SETFRAGMENT);
+#ifdef SNDCTL_DSP_SETSPDIF
     _EXPORT_INT(m, SNDCTL_DSP_SETSPDIF);
+#endif
     _EXPORT_INT(m, SNDCTL_DSP_SETSYNCRO);
     _EXPORT_INT(m, SNDCTL_DSP_SETTRIGGER);
     _EXPORT_INT(m, SNDCTL_DSP_SPEED);