diff --git a/usrp/host/misc/tempname.c b/usrp/host/misc/tempname.c
index 2611126..a3599e7 100644
--- a/usrp/host/misc/tempname.c
+++ b/usrp/host/misc/tempname.c
@@ -21,6 +21,9 @@
 # include <config.h>
 #endif
 
+#include <boost/filesystem/path.hpp>
+namespace fs = boost::filesystem;
+
 #include <sys/types.h>
 #include <assert.h>
 
@@ -98,11 +101,6 @@
 # define struct_stat64 struct stat
 # define __getpid getpid
 # define __gettimeofday gettimeofday
-#ifdef MKDIR_TAKES_ONE_ARG
-# define __mkdir(pathname,mode) mkdir((pathname))
-#else
-# define __mkdir mkdir
-#endif
 # define __open open
 # define __open64 open
 #ifdef HAVE_LSTAT
@@ -312,7 +310,7 @@ __gen_tempname (char *tmpl, int kind)
 	  break;
 
 	case __GT_DIR:
-	  fd = __mkdir (tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
+	  fd = fs::create_directory(tmpl, S_IRUSR | S_IWUSR | S_IXUSR);
 	  break;
 
 	case __GT_NOCREATE: