diff --git a/js/gamutable.es6.js b/js/gamutable.es6.js
index 940f902..9fdaa51 100644
--- a/js/gamutable.es6.js
+++ b/js/gamutable.es6.js
@@ -336,6 +336,7 @@ let monTableau = {
 												}
 											} else {
 												if (
+													ligne[this.champ_search][colName] !== undefined &&
 													!(
 														uneValeur.indexOf(
 															ligne[this.champ_search][colName]
diff --git a/js/gamutable.js b/js/gamutable.js
index 51d4e04..23a41ed 100644
--- a/js/gamutable.js
+++ b/js/gamutable.js
@@ -391,7 +391,7 @@ var monTableau = {
                         return true;
                       }
                     } else {
-                      if (!(uneValeur.indexOf(ligne[_this2.champ_search][colName].toString().toLowerCase().toString()) === -1 || !ligne[_this2.champ_search][colName].toString().toLowerCase())) {
+                      if (ligne[_this2.champ_search][colName] !== undefined && !(uneValeur.indexOf(ligne[_this2.champ_search][colName].toString().toLowerCase().toString()) === -1 || !ligne[_this2.champ_search][colName].toString().toLowerCase())) {
                         return true;
                       }
                     }