diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index d4b3c9f0ed..bcb044a3b3 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -186,14 +186,13 @@ class Tooltip extends BaseComponent {
       throw new Error('Please use show on visible elements')
     }
 
-    if (!((this._isWithContent() || this._newContent != null) && this._isEnabled)) {
+    if (!((this._isWithContent() || this._newContent !== null) && this._isEnabled)) {
       return
     }
 
     const showEvent = EventHandler.trigger(this._element, this.constructor.eventName(EVENT_SHOW))
     const shadowRoot = findShadowRoot(this._element)
     const isInTheDom = (shadowRoot || this._element.ownerDocument.documentElement).contains(this._element)
-    
     if (showEvent.defaultPrevented || !isInTheDom) {
       return
     }
diff --git a/js/tests/unit/popover.spec.js b/js/tests/unit/popover.spec.js
index 63642be3b2..a1a86a0d9e 100644
--- a/js/tests/unit/popover.spec.js
+++ b/js/tests/unit/popover.spec.js
@@ -56,7 +56,7 @@ describe('Popover', () => {
   })
 
   describe('show', () => {
-    fit('should show a popover with no content after setContent', () => {
+    it('should show a popover with no content after setContent', () => {
       return new Promise(resolve => {
         fixtureEl.innerHTML = '<a href="#">BS twitter</a>'