--- Top/one_file.c-dist	2006-10-13 12:31:47.000000000 +0200
+++ Top/one_file.c	2007-01-22 12:06:54.000000000 +0100
@@ -24,6 +24,7 @@
 #include "csoundCore.h"
 #include <ctype.h>
 #include <errno.h>
+#include <stdlib.h>
 #if defined(LINUX) || defined(__MACH__) || defined(WIN32)
 #  include <sys/types.h>
 #  include <sys/stat.h>
@@ -74,8 +75,11 @@ CS_NOINLINE char *csoundTmpFileName(CSOU
       do {
 #endif
 #ifndef WIN32
-        if (tmpnam(buf) == NULL)
-          csound->Die(csound, Str(" *** cannot create temporary file"));
+	  int fd;
+	  strcpy(buf, "/tmp/csoundXXXXXX");
+	  if ((fd = mkstemp(buf)) < 0)
+            csound->Die(csound, Str(" *** cannot create temporary file"));
+	  close(fd);
 #else
         {
           char  *s = (char*) csoundGetEnv(csound, "SFDIR");