diff --git a/assets/src/bundles/browse/swhid-utils.js b/assets/src/bundles/browse/swhid-utils.js
--- a/assets/src/bundles/browse/swhid-utils.js
+++ b/assets/src/bundles/browse/swhid-utils.js
@@ -1,5 +1,5 @@
 /**
- * Copyright (C) 2018-2019  The Software Heritage developers
+ * Copyright (C) 2018-2021  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
@@ -30,7 +30,7 @@
     if (pos !== -1) {
       currentSwhId = currentSwhId.slice(0, pos);
     }
-    swhIdElt.attr('href', '/' + currentSwhId + '/');
+    swhIdElt.attr('href', '/' + currentSwhId);
   }
   swhIdElt.text(currentSwhId);
 
@@ -62,7 +62,7 @@
     }
 
     swhIdElt.text(currentSwhId.replace(/;/g, ';\n'));
-    swhIdElt.attr('href', '/' + currentSwhId + '/');
+    swhIdElt.attr('href', '/' + currentSwhId);
   }
 }
 
diff --git a/swh/web/tests/common/test_identifiers.py b/swh/web/tests/common/test_identifiers.py
--- a/swh/web/tests/common/test_identifiers.py
+++ b/swh/web/tests/common/test_identifiers.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020  The Software Heritage developers
+# Copyright (C) 2020-2021  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
@@ -433,7 +433,7 @@
 
     # check special characters in SWHID URL have been escaped
     parsed_url_swhid = QualifiedSWHID.from_string(
-        swhid_info["swhid_with_context_url"][1:-1]
+        swhid_info["swhid_with_context_url"][1:]
     )
     assert (
         parsed_url_swhid.qualifiers()["origin"]
diff --git a/swh/web/urls.py b/swh/web/urls.py
--- a/swh/web/urls.py
+++ b/swh/web/urls.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2017-2020  The Software Heritage developers
+# Copyright (C) 2017-2021  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
@@ -48,10 +48,16 @@
     url(r"^$", _default_view, name="swh-web-homepage"),
     url(r"^jsreverse/$", urls_js, name="js_reverse"),
     url(
-        r"^(?P<swhid>swh:[0-9]+:[a-z]+:[0-9a-f]+.*)/$",
+        r"^(?P<swhid>swh:[0-9]+:[a-z]+:[0-9a-f]+.*)$",
         swhid_browse,
         name="browse-swhid",
     ),
+    # keep legacy SWHID resolving URL with trailing slash for backward compatibility
+    url(
+        r"^(?P<swhid>swh:[0-9]+:[a-z]+:[0-9a-f]+.*)/$",
+        swhid_browse,
+        name="browse-swhid-legacy",
+    ),
     url(r"^", include("swh.web.misc.urls")),
     url(r"^", include("swh.web.auth.views")),
     url(r"^logout/$", LogoutView.as_view(template_name="logout.html"), name="logout"),