diff --git a/src/share-network.js b/src/share-network.js
index 99267f6..4e51c32 100644
--- a/src/share-network.js
+++ b/src/share-network.js
@@ -222,6 +222,9 @@ export default {
         ',screenY=' + this.popup.top
       )
 
+      // If an adblocker prevent popups, popup.window stays undefined and we can't display it       
+      if (!this.popup.window) return
+
       this.popup.window.focus()
 
       // Create an interval to detect popup closing event