diff --git a/Tools/fonctions.c b/Tools/fonctions.c
index c9d2b53..b3d38d6 100644
--- a/Tools/fonctions.c
+++ b/Tools/fonctions.c
@@ -450,13 +450,9 @@ int	set_new_seed(int k)
 char		*ptr;
 long		seed;
 
-#if DEBUG_MESSAGE
-if (k)	fprintf(stderr, "%s: k %d\n", __func__, k); 
-#endif
-
 if (NULL==(ptr=getenv("FIXED_SEED"))) {
 	/* no fixed seed in context, doing semi-random */
-	srand(getpid());
+	srand(getpid() + k);
 #if DEBUG_LEVEL
 	fprintf(stderr, "no FIXED_SEED, first rand is number : %d\n", rand());
 #endif
@@ -464,10 +460,6 @@ if (NULL==(ptr=getenv("FIXED_SEED"))) {
 else	{
 	/* try to parse the env var */
 	seed = strtol(ptr, NULL, 0);
-#if DEBUG_LEVEL
-	fprintf(stderr, "%s : strtol(%s) -> %ld\n",
-				__func__, ptr, seed);
-#endif
 	srand(seed);
 	}