diff --git a/intranet/modules/impression/static/impression.js b/intranet/modules/impression/static/impression.js
index e3fa38bc..dbcd515f 100644
--- a/intranet/modules/impression/static/impression.js
+++ b/intranet/modules/impression/static/impression.js
@@ -128,6 +128,10 @@ Impression.settings.disableField = function(afield) {
 //// fieldChanges : when a field is changed
 //
 Impression.settings.update = function () {
+  /* plus d'agrafes */
+   this.disableField(this.theform.disposition_livret);
+   this.theform.disposition_livret.checked = false;
+  /* /plus d'agrafes */
    var orientation = "portrait";
    Impression.settings.livret="False"
    if (this.theform.type_impression_couleur.checked)