diff --git a/src/js/controller.js b/src/js/controller.js
index 2f23833..4205f0f 100644
--- a/src/js/controller.js
+++ b/src/js/controller.js
@@ -114,7 +114,7 @@ angular.module('focaBusquedaProductos')
                 }
 
                 function anterior(key) {
-                    if ($scope.selectedProducto === 0) {
+                    if ($scope.selectedProducto === 0 && $scope.currentPage > 1) {
                         retrocederPagina();
                     } else {
                         $scope.selectedProducto--;