diff --git a/lib/cartodb/backends/template_maps.js b/lib/cartodb/backends/template_maps.js
index ac1308cd..1e8dc51e 100644
--- a/lib/cartodb/backends/template_maps.js
+++ b/lib/cartodb/backends/template_maps.js
@@ -305,7 +305,7 @@ TemplateMaps.prototype.updTemplate = function(owner, tpl_id, template, callback)
     }
 
     if (tpl_id !== template.name) {
-        return callback(new Error("Cannot update name of a map template ('" + tpl_id + "' != '" + template.name + "')"));
+        return callback(new Error(`Cannot update name of a map template ('${tpl_id}' != '${template.name}')`));
     }
 
     var userTemplatesKey = this.key_usr_tpl({ owner });
@@ -321,7 +321,7 @@ TemplateMaps.prototype.updTemplate = function(owner, tpl_id, template, callback)
 
         let templateString;
         try {
-            templateString = JSON.stringify(template)
+            templateString = JSON.stringify(template);
         } catch (error) {
             return callback(error);
         }
@@ -337,7 +337,7 @@ TemplateMaps.prototype.updTemplate = function(owner, tpl_id, template, callback)
 
             let beforeUpdateTemplateObject;
             try {
-                beforeUpdateTemplateObject = JSON.parse(beforeUpdateTemplate)
+                beforeUpdateTemplateObject = JSON.parse(beforeUpdateTemplate);
             } catch (error) {
                 return callback(error);
             }