diff --git a/cypress/integration/origin-save.spec.js b/cypress/integration/origin-save.spec.js
--- a/cypress/integration/origin-save.spec.js
+++ b/cypress/integration/origin-save.spec.js
@@ -54,7 +54,7 @@
 
 // Mocks API response : /save/(:object_type)/(:origin_url)
 // object_type : {'git', 'hg', 'svn'}
-function genOriginSaveResponse(objectType, saveRequestStatus, originUrl, saveRequestDate, saveTaskStatus) {
+function genOriginSaveResponse(objectType, saveRequestStatus, originUrl, saveRequestDate, saveTaskStatus, visitDate = Date().toString()) {
   return {
     'visit_type': objectType,
     'save_request_status': saveRequestStatus,
@@ -62,7 +62,7 @@
     'id': 1,
     'save_request_date': saveRequestDate,
     'save_task_status': saveTaskStatus,
-    'visit_date': null
+    'visit_date': visitDate
   };
 };
 
@@ -189,6 +189,25 @@
     });
   });
 
+  it('should not add timestamp to the browse origin URL is no visit date has been found', function() {
+    const originUrl = 'https://git.example.org/example.git';
+    const saveRequestData = genOriginSaveResponse('git', 'accepted', originUrl, Date().toString(), 'succeed', null);
+    const saveRequestsListData = {
+      'recordsTotal': 1,
+      'draw': 2,
+      'recordsFiltered': 1,
+      'data': [saveRequestData]
+    };
+    cy.route('GET', '/save/requests/list/**', saveRequestsListData);
+    cy.get('#swh-origin-save-requests-list-tab').click();
+    cy.get('tbody tr').then(rows => {
+      const firstRowCells = rows[0].cells;
+      const browseOriginUrl = `${this.Urls.browse_origin()}?origin_url=${originUrl}`;
+      const browseOriginLink = `<a href="${browseOriginUrl}">${originUrl}</a>`;
+      expect($(firstRowCells[2]).html()).to.have.string(browseOriginLink);
+    });
+  });
+
   it('should display/close task info popover when clicking on the info button', function() {
     cy.route('GET', '/save/requests/list/**', '@originSaveJSON');
     cy.route('GET', '/save/task/info/**', '@saveTaskInfoJSON');
diff --git a/swh/web/assets/src/bundles/admin/origin-save.js b/swh/web/assets/src/bundles/admin/origin-save.js
--- a/swh/web/assets/src/bundles/admin/origin-save.js
+++ b/swh/web/assets/src/bundles/admin/origin-save.js
@@ -85,7 +85,9 @@
             const sanitizedURL = $.fn.dataTable.render.text().display(data);
             if (row.save_task_status === 'succeed') {
               let browseOriginUrl = `${Urls.browse_origin()}?origin_url=${sanitizedURL}`;
-              browseOriginUrl += `&amp;timestamp=${row.visit_date}`;
+              if (row.visit_date) {
+                browseOriginUrl += `&amp;timestamp=${encodeURIComponent(row.visit_date)}`;
+              }
               html += `<a href="${browseOriginUrl}">${sanitizedURL}</a>`;
             } else {
               html += sanitizedURL;
diff --git a/swh/web/assets/src/bundles/save/index.js b/swh/web/assets/src/bundles/save/index.js
--- a/swh/web/assets/src/bundles/save/index.js
+++ b/swh/web/assets/src/bundles/save/index.js
@@ -90,7 +90,9 @@
                 const sanitizedURL = $.fn.dataTable.render.text().display(data);
                 if (row.save_task_status === 'succeed') {
                   let browseOriginUrl = `${Urls.browse_origin()}?origin_url=${sanitizedURL}`;
-                  browseOriginUrl += `&amp;timestamp=${encodeURIComponent(row.visit_date)}`;
+                  if (row.visit_date) {
+                    browseOriginUrl += `&amp;timestamp=${encodeURIComponent(row.visit_date)}`;
+                  }
                   html += `<a href="${browseOriginUrl}">${sanitizedURL}</a>`;
                 } else {
                   html += sanitizedURL;