diff --git a/src/js/controller.js b/src/js/controller.js
index ac26e08..4c20dcb 100644
--- a/src/js/controller.js
+++ b/src/js/controller.js
@@ -12,7 +12,7 @@ angular.module('focaBotoneraFacturador')
                         $scope.botones.push('');
                     }
                 }else {
-                    while(($scope.botones.length % 3) !== 0) {
+                    while(($scope.botones.length % 4) !== 0) {
                         $scope.botones.push('');
                     }
                 }