diff --git a/Fonderie/sfx.c b/Fonderie/sfx.c
index 0efccc4..902841b 100644
--- a/Fonderie/sfx.c
+++ b/Fonderie/sfx.c
@@ -21,7 +21,9 @@
 extern	int		verbosity;
 
 /* -------------------------------------------------------------- */
-
+/*
+ *		please, add some parameters !
+ */
 int incrustation_0(FloatImg *src, FloatImg *dst, int k)
 {
 int		x, y, x4, y4;
@@ -36,7 +38,7 @@ x4 = dst->width / 4,	y4 = dst->height / 4;
 for (y=0; y<y4; y++) {
 	for (x=0; x<x4; x++) {
 		fimg_get_rgb(src, x*4,  y*4,  rgb);
-		fimg_put_rgb(dst, x+19, y+19, rgb);
+		fimg_put_rgb(dst, x+39, y+39, rgb);
 		}
 	}