diff --git a/html/js/card.js b/html/js/card.js
index 7a78dd25d..936c470f3 100644
--- a/html/js/card.js
+++ b/html/js/card.js
@@ -729,6 +729,12 @@ function form_blank_card(obj)
 function save_card(obj)
 {
     var content=$(obj).ipopup;
+    var accounting= $(obj)['av_text25'];
+        var accounting= $(obj)['av_text5'];
+    if ( accounting.value.length > 40 ) {
+      smoke.alert('Poste comptable trop grand');
+      return false;
+        }
     // Data must be taken here
     data=$('save_card').serialize(false);
     waiting_box();