diff --git a/js/src/popover.js b/js/src/popover.js
index 2ffccc82702c..fa22ea8c9e41 100644
--- a/js/src/popover.js
+++ b/js/src/popover.js
@@ -55,7 +55,7 @@ class Popover extends Tooltip {
 
   // Overrides
   _isWithContent() {
-    return this._config.title || this._config.originalTitle || this._config.content
+    return Boolean(this._config.title || this._config.originalTitle || this._config.content)
   }
 
   // Private
diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 7ddc8c9d31b9..8cd3027e7550 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -307,7 +307,7 @@ class Tooltip extends BaseComponent {
 
   // Protected
   _isWithContent() {
-    return this._config.title || this._config.originalTitle
+    return Boolean(this._config.title || this._config.originalTitle)
   }
 
   _getTipElement() {