diff --git a/js/src/alert.js b/js/src/alert.js
index d23c4659c0..1bdd9706a4 100644
--- a/js/src/alert.js
+++ b/js/src/alert.js
@@ -84,7 +84,7 @@ class Alert {
     let parent     = false
 
     if (selector) {
-      parent = SelectorEngine.find(selector)[0]
+      parent = SelectorEngine.findOne(selector)
     }
 
     if (!parent) {
diff --git a/js/src/dom/selectorEngine.js b/js/src/dom/selectorEngine.js
index bef6169884..0cff83ef97 100644
--- a/js/src/dom/selectorEngine.js
+++ b/js/src/dom/selectorEngine.js
@@ -46,19 +46,19 @@ const SelectorEngine = {
     return fnMatches.call(element, selector)
   },
 
-  find(element = document, selector) {
+  find(selector, element = document) {
     if (typeof selector !== 'string') {
       return null
     }
 
     if (selector.indexOf('#') === 0) {
-      return SelectorEngine.findOne(element, selector)
+      return SelectorEngine.findOne(selector, element)
     }
 
     return element.querySelectorAll(selector)
   },
 
-  findOne(element = document, selector) {
+  findOne(selector, element = document) {
     if (typeof selector !== 'string') {
       return null
     }