diff -ruN sox-14.0.1.orig/src/sox.c sox-14.0.1/src/sox.c
--- sox-14.0.1.orig/src/sox.c	2008-01-28 17:47:19.000000000 -0500
+++ sox-14.0.1/src/sox.c	2008-12-01 05:49:29.000000000 -0500
@@ -62,6 +62,7 @@
   #define TIME_FRAC 1e3
 #endif
 
+#include <linux/version.h>
 
 /* argv[0] options */
 
@@ -377,7 +378,13 @@
   if (sox_find_format("ossdsp", sox_false))
   {
     f->filetype = "ossdsp";
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+    f->filename = xstrdup("/dev/sound/dsp");
+#else
     f->filename = xstrdup("/dev/dsp");
+#endif
+
     return;
   }
 #endif