diff --git a/plot-timing.sh b/plot-timing.sh
index dc65b88..27320cf 100755
--- a/plot-timing.sh
+++ b/plot-timing.sh
@@ -12,12 +12,13 @@ BEGIN	{							\
 		mini[foo] = 666;				\
 		maxi[foo] = -42;				\
 		}						\
-	}							\
-	{							\
-	accu[$1] += $2;						\
-	count[$1]++;						\
-	if (mini[$1] > $2)	mini[$1] = $2;			\
-	if (maxi[$1] < $2)	maxi[$1] = $2;			\
+	}
+							\
+$1=="orbite"	{							\
+	accu[$2] += $3;						\
+	count[$2]++;						\
+	if (mini[$2] > $3)	mini[$2] = $3;			\
+	if (maxi[$2] < $3)	maxi[$2] = $3;			\
 	}							\
 END	{							\
 	for (foo=0; foo<nbrames; foo++) {				\
@@ -35,7 +36,7 @@ gnuplot	<< __EOC__
 	set output "timing.png"
 	set grid
 	set xrange [:360]
-	set yrange [:240]
+	set yrange [:30]
 	set title "HexaCone : temps de tracé vs. numéro de séquence"
 	set xlabel "numéro de la trame"
 	set ylabel "temps en secondes"