app/assets/javascripts/formstrap/controllers/media_controller.js in formstrap-0.1.0 vs app/assets/javascripts/formstrap/controllers/media_controller.js in formstrap-0.1.1

@@ -29,10 +29,11 @@
 
   syncIds () {
     const ids = this.activeIds()
 
     this.modalButtonTargets.forEach((button) => {
-      const url = new URL(button.getAttribute('href'))
+      const sourceLocation = location.protocol + '//' + location.host
+      const url = new URL(button.getAttribute('href'), sourceLocation)
 
       // Remove all ids[]
       url.searchParams.delete('ids[]')
 
       // Add new ids