diff --git a/swh/web/assets/src/bundles/browse/origin-search.js b/swh/web/assets/src/bundles/browse/origin-search.js
index 92fcf8a6..82683883 100644
--- a/swh/web/assets/src/bundles/browse/origin-search.js
+++ b/swh/web/assets/src/bundles/browse/origin-search.js
@@ -1,225 +1,225 @@
 /**
  * Copyright (C) 2018-2020  The Software Heritage developers
  * See the AUTHORS file at the top-level directory of this distribution
  * License: GNU Affero General Public License version 3, or any later version
  * See top-level LICENSE file for more information
  */
 
 import {handleFetchError} from 'utils/functions';
 
 const limit = 100;
 let linksPrev = [];
 let linkNext = null;
 let linkCurrent = null;
 let inSearch = false;
 
 function parseLinkHeader(s) {
   let re = /<(.+)>; rel="next"/;
   return s.match(re)[1];
 }
 
 function fixTableRowsStyle() {
   setTimeout(() => {
     $('#origin-search-results tbody tr').removeAttr('style');
   });
 }
 
 function clearOriginSearchResultsTable() {
   $('#origin-search-results tbody tr').remove();
 }
 
 function populateOriginSearchResultsTable(origins) {
   if (origins.length > 0) {
     $('#swh-origin-search-results').show();
     $('#swh-no-result').hide();
     clearOriginSearchResultsTable();
     let table = $('#origin-search-results tbody');
     for (let [i, origin] of origins.entries()) {
       let browseUrl = Urls.browse_origin(origin.url);
       let tableRow = `<tr id="origin-${i}" class="swh-search-result-entry swh-tr-hover-highlight">`;
       tableRow += `<td style="white-space: nowrap;"><a href="${encodeURI(browseUrl)}">${encodeURI(origin.url)}</a></td>`;
       tableRow += `<td id="visit-type-origin-${i}" style="width: 120px;"></td>`;
       tableRow += `<td class="swh-visit-status" id="visit-status-origin-${i}"><i title="Checking visit status" class="fa fa-refresh fa-spin"></i></td>`;
       tableRow += '</tr>';
       table.append(tableRow);
       // get async latest visit snapshot and update visit status icon
       let latestSnapshotUrl = Urls.api_1_origin_visit_latest(origin.url);
       latestSnapshotUrl += '?require_snapshot=true';
       fetch(latestSnapshotUrl)
         .then(response => response.json())
         .then(data => {
           $(`#visit-type-origin-${i}`).text(data.type);
           $(`#visit-status-origin-${i}`).children().remove();
           if (data) {
             $(`#visit-status-origin-${i}`).append('<i title="Origin has at least one full visit by Software Heritage" class="fa fa-check"></i>');
           } else {
             $(`#visit-status-origin-${i}`).append('<i title="Origin has not yet been visited by Software Heritage or does not have at least one full visit" class="fa fa-times"></i>');
             if ($('#swh-filter-empty-visits').prop('checked')) {
               $(`#origin-${i}`).remove();
             }
           }
         });
     }
     fixTableRowsStyle();
   } else {
     $('#swh-origin-search-results').hide();
     $('#swh-no-result').text('No origins matching the search criteria were found.');
     $('#swh-no-result').show();
   }
 
   if (linkNext === null) {
     $('#origins-next-results-button').addClass('disabled');
   } else {
     $('#origins-next-results-button').removeClass('disabled');
   }
 
   if (linksPrev.length === 0) {
     $('#origins-prev-results-button').addClass('disabled');
   } else {
     $('#origins-prev-results-button').removeClass('disabled');
   }
 
   inSearch = false;
   setTimeout(() => {
     window.scrollTo(0, 0);
   });
 }
 
 function searchOriginsFirst(searchQueryText, limit) {
   let baseSearchUrl;
   let searchMetadata = $('#swh-search-origin-metadata').prop('checked');
   if (searchMetadata) {
     baseSearchUrl = Urls.api_1_origin_metadata_search() + '?fulltext=' + encodeURIComponent(searchQueryText);
   } else {
-    baseSearchUrl = Urls.api_1_origin_search(searchQueryText);
+    baseSearchUrl = Urls.api_1_origin_search(searchQueryText) + '?';
   }
 
   let withVisit = $('#swh-search-origins-with-visit').prop('checked');
   let searchUrl = baseSearchUrl + `&limit=${limit}&with_visit=${withVisit}`;
   searchOrigins(searchUrl);
 }
 
 function searchOrigins(searchUrl) {
   clearOriginSearchResultsTable();
   $('.swh-loading').addClass('show');
   let response = fetch(searchUrl)
     .then(handleFetchError)
     .then(resp => {
       response = resp;
       return response.json();
     })
     .then(data => {
       // Save link to the current results page
       linkCurrent = searchUrl;
       // Save link to the next results page.
       linkNext = null;
       if (response.headers.has('Link')) {
         let parsedLink = parseLinkHeader(response.headers.get('Link'));
         if (parsedLink !== undefined) {
           linkNext = parsedLink;
         }
       }
       // prevLinks is updated by the caller, which is the one to know if
       // we're going forward or backward in the pages.
 
       $('.swh-loading').removeClass('show');
       populateOriginSearchResultsTable(data);
     })
     .catch(response => {
       $('.swh-loading').removeClass('show');
       inSearch = false;
       $('#swh-origin-search-results').hide();
       $('#swh-no-result').text(`Error ${response.status}: ${response.statusText}`);
       $('#swh-no-result').show();
     });
 }
 
 function doSearch() {
   $('#swh-no-result').hide();
   let searchQueryText = $('#origins-url-patterns').val();
   inSearch = true;
   if (searchQueryText.startsWith('swh:')) {
     // searchQueryText may be a PID so sending search queries to PID resolve endpoint
     let resolvePidUrl = Urls.api_1_resolve_swh_pid(searchQueryText);
     fetch(resolvePidUrl)
       .then(handleFetchError)
       .then(response => response.json())
       .then(data => {
         // pid has been successfully resolved,
         // so redirect to browse page
         window.location = data.browse_url;
       })
       .catch(response => {
         // display a useful error message if the input
         // looks like a swh pid
         response.json().then(data => {
           $('#swh-origin-search-results').hide();
           $('.swh-search-pagination').hide();
           $('#swh-no-result').text(data.reason);
           $('#swh-no-result').show();
         });
 
       });
   } else {
     // otherwise, proceed with origins search
     $('#swh-origin-search-results').show();
     $('.swh-search-pagination').show();
     searchOriginsFirst(searchQueryText, limit);
   }
 }
 
 export function initOriginSearch() {
   $(document).ready(() => {
     $('#swh-search-origins').submit(event => {
       event.preventDefault();
       let searchQueryText = $('#origins-url-patterns').val().trim();
       let withVisit = $('#swh-search-origins-with-visit').prop('checked');
       let withContent = $('#swh-filter-empty-visits').prop('checked');
       let searchMetadata = $('#swh-search-origin-metadata').prop('checked');
       let queryParameters = '?q=' + encodeURIComponent(searchQueryText);
       if (withVisit) {
         queryParameters += '&with_visit';
       }
       if (withContent) {
         queryParameters += '&with_content';
       }
       if (searchMetadata) {
         queryParameters += '&search_metadata';
       }
       // Update the url, triggering page reload and effective search
       window.location.search = queryParameters;
     });
 
     $('#origins-next-results-button').click(event => {
       if ($('#origins-next-results-button').hasClass('disabled') || inSearch) {
         return;
       }
       inSearch = true;
       linksPrev.push(linkCurrent);
       searchOrigins(linkNext);
       event.preventDefault();
     });
 
     $('#origins-prev-results-button').click(event => {
       if ($('#origins-prev-results-button').hasClass('disabled') || inSearch) {
         return;
       }
       inSearch = true;
       searchOrigins(linksPrev.pop());
       event.preventDefault();
     });
 
     let urlParams = new URLSearchParams(window.location.search);
     let query = urlParams.get('q');
     let withVisit = urlParams.has('with_visit');
     let withContent = urlParams.has('with_content');
     let searchMetadata = urlParams.has('search_metadata');
     if (query) {
       $('#origins-url-patterns').val(query);
       $('#swh-search-origins-with-visit').prop('checked', withVisit);
       $('#swh-filter-empty-visits').prop('checked', withContent);
       $('#swh-search-origin-metadata').prop('checked', searchMetadata);
       doSearch();
     }
   });
 }