kc3-lang/libtommath

diff --git a/demo/timing.c b/demo/timing.c
index e960c3a..1a5a05b 100644
--- a/demo/timing.c
+++ b/demo/timing.c
@@ -1,10 +1,12 @@
-#include <tommath.h>
 #include <time.h>
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <inttypes.h>
 
+#define MP_WUR
+#include <tommath.h>
+
 #ifdef IOWNANATHLON
 #include <unistd.h>
 #define SLEEP sleep(4)