diff --git a/.gitignore b/.gitignore
index 03de370..2f0938d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ a.out
 fake-values
 essai
 serial/t
+core/t
 
 doc/*.toc
 doc/*.log
diff --git a/core/lut1024f.c b/core/lut1024f.c
index accf37b..59dadb2 100644
--- a/core/lut1024f.c
+++ b/core/lut1024f.c
@@ -20,11 +20,11 @@ for(count=0; count<1024; count++) {
 	foo = fscanf(fp, "%f", &where->vals[foo]);
 	if (1 != foo) {
 		fprintf(stderr, "%s: bad read %d\n", __func__, foo);
-		return -2;
+		return -4;
 		}
 	}
 
-return -1;
+return 0;
 }
 
 /* ---------------------------------------------------------------- */
@@ -60,6 +60,7 @@ if (foo) {
 	exit(5);
 	}
 
+foo = slurp_lut1024f(fplut, where, 0);
 
 fclose(fplut);
 
diff --git a/serial/essai.sh b/serial/essai.sh
index 3a4ff81..9d4e8bc 100755
--- a/serial/essai.sh
+++ b/serial/essai.sh
@@ -10,7 +10,7 @@ NB_READ=15000
 ./t -v -n ${NB_READ} -d ${DEVICE} | tee -a ${DATAFILE}
 
 gnuplot << __EOC__
-set term png 	size 1600,512
+set term png 	size 3200,512
 set output 	"${IMAGE}"
 set grid
 set title	"Dans le Double Dragon 2"