diff --git a/static/js/import.js b/static/js/import.js
index 8019b63..0f293eb 100644
--- a/static/js/import.js
+++ b/static/js/import.js
@@ -1,55 +1,55 @@
 const fileForm = document.querySelector('form.import-form');
 const selectElem = document.querySelector('select[name="collection"]');
 const submitElem = document.querySelector('input[type="submit"]');
 const zipInfo = document.querySelector('span.zip > ul.info');
 const zipWarning = document.querySelector('span.zip > p.error');
 const fileInput = document.querySelector('input[type="file"]')
 
 document.onreadystatechange = () => {
-  if ( document.readyState === "complete") {
+  if ( document.readyState === "interactive") {
     selectElem.disabled = true;
     submitElem.disabled = true;
     zipInfo.hidden = true;
     zipWarning.hidden = true;
   }
 }
 
 fileInput.onchange = function() {
   if ( this.files.length === 1 ) {
     if ( this.files[0].type === 'application/zip' ) {
       selectElem.disabled = true;
       submitElem.disabled = false;
       zipInfo.hidden = false;
       zipWarning.hidden = true;
     } else {
       selectElem.disabled = false;
       submitElem.disabled = false;
       zipInfo.hidden = true;
       zipWarning.hidden = true;
     }
   }
 
   if ( this.files.length > 1 ) {
     selectElem.disabled = false;
     submitElem.disabled = false;
     var zips = 0;
     Array.from(this.files).forEach(file => {
         if ( file.name.endsWith(".zip") ) {
           zips++;
         }
     })
     if ( zips > 0 ) {
       zipInfo.hidden = true;
       zipWarning.hidden = false;
     } else {
       zipInfo.hidden = true;
       zipWarning.hidden = true;
     }
   }
 }
 
 submitElem.addEventListener("click", (e) => {
   e.preventDefault();
   submitElem.disabled = true;
   fileForm.submit();
 });
\ No newline at end of file