diff --git a/bookmarks/templates/bookmarks/archive.html b/bookmarks/templates/bookmarks/archive.html
index 80eaed4..c2d83fe 100644
--- a/bookmarks/templates/bookmarks/archive.html
+++ b/bookmarks/templates/bookmarks/archive.html
@@ -20,7 +20,7 @@
         </div>
       </div>
 
-      <form class="bookmark-actions" action="{% url 'bookmarks:archived.action' %}?q={{ bookmark_list.filters.query }}&return_url={{ bookmark_list.return_url }}"
+      <form class="bookmark-actions" action="{% url 'bookmarks:archived.action' %}?q={{ bookmark_list.filters.query|urlencode }}&return_url={{ bookmark_list.return_url }}"
             method="post">
         {% csrf_token %}
         {% include 'bookmarks/bulk_edit/bar.html' with disable_actions='bulk_archive' %}
diff --git a/bookmarks/templates/bookmarks/index.html b/bookmarks/templates/bookmarks/index.html
index b0dde73..59e65b0 100644
--- a/bookmarks/templates/bookmarks/index.html
+++ b/bookmarks/templates/bookmarks/index.html
@@ -20,7 +20,7 @@
         </div>
       </div>
 
-      <form class="bookmark-actions" action="{% url 'bookmarks:index.action' %}?q={{ bookmark_list.filters.query }}&return_url={{ bookmark_list.return_url }}"
+      <form class="bookmark-actions" action="{% url 'bookmarks:index.action' %}?q={{ bookmark_list.filters.query|urlencode }}&return_url={{ bookmark_list.return_url }}"
             method="post" autocomplete="off">
         {% csrf_token %}
         {% include 'bookmarks/bulk_edit/bar.html' with disable_actions='bulk_unarchive' %}
diff --git a/bookmarks/templates/bookmarks/shared.html b/bookmarks/templates/bookmarks/shared.html
index 7332aaa..81811f7 100644
--- a/bookmarks/templates/bookmarks/shared.html
+++ b/bookmarks/templates/bookmarks/shared.html
@@ -16,7 +16,7 @@
         {% bookmark_search bookmark_list.filters tag_cloud.tags mode='shared' %}
       </div>
 
-      <form class="bookmark-actions" action="{% url 'bookmarks:shared.action' %}?return_url={{ bookmark_list.return_url }}"
+      <form class="bookmark-actions" action="{% url 'bookmarks:shared.action' %}?q={{ bookmark_list.filters.query|urlencode }}&return_url={{ bookmark_list.return_url }}"
             method="post">
         {% csrf_token %}
 
diff --git a/bookmarks/tests/test_bookmark_archived_view.py b/bookmarks/tests/test_bookmark_archived_view.py
index 1ba10d7..6f70d32 100644
--- a/bookmarks/tests/test_bookmark_archived_view.py
+++ b/bookmarks/tests/test_bookmark_archived_view.py
@@ -256,3 +256,13 @@ class BookmarkArchivedViewTestCase(TestCase, BookmarkFactoryMixin, HtmlTestMixin
             <option value="bulk_unshare">Unshare</option>
           </select>
         ''', html)
+
+    def test_url_encode_bookmark_actions_url(self):
+        url = reverse('bookmarks:archived') + '?q=%23foo'
+        response = self.client.get(url)
+        html = response.content.decode()
+        soup = self.make_soup(html)
+        actions_form = soup.select('form.bookmark-actions')[0]
+
+        self.assertEqual(actions_form.attrs['action'],
+                         '/bookmarks/archived/action?q=%23foo&return_url=%2Fbookmarks%2Farchived%3Fq%3D%2523foo')
diff --git a/bookmarks/tests/test_bookmark_index_view.py b/bookmarks/tests/test_bookmark_index_view.py
index 1185676..d3192db 100644
--- a/bookmarks/tests/test_bookmark_index_view.py
+++ b/bookmarks/tests/test_bookmark_index_view.py
@@ -282,3 +282,13 @@ class BookmarkIndexViewTestCase(TestCase, BookmarkFactoryMixin, HtmlTestMixin):
             <option value="bulk_unshare">Unshare</option>
           </select>
         ''', html)
+
+    def test_url_encode_bookmark_actions_url(self):
+        url = reverse('bookmarks:index') + '?q=%23foo'
+        response = self.client.get(url)
+        html = response.content.decode()
+        soup = self.make_soup(html)
+        actions_form = soup.select('form.bookmark-actions')[0]
+
+        self.assertEqual(actions_form.attrs['action'],
+                         '/bookmarks/action?q=%23foo&return_url=%2Fbookmarks%3Fq%3D%2523foo')
diff --git a/bookmarks/tests/test_bookmark_shared_view.py b/bookmarks/tests/test_bookmark_shared_view.py
index 76e7224..c8e1731 100644
--- a/bookmarks/tests/test_bookmark_shared_view.py
+++ b/bookmarks/tests/test_bookmark_shared_view.py
@@ -5,10 +5,10 @@ from django.test import TestCase
 from django.urls import reverse
 
 from bookmarks.models import Bookmark, Tag, UserProfile
-from bookmarks.tests.helpers import BookmarkFactoryMixin, collapse_whitespace
+from bookmarks.tests.helpers import BookmarkFactoryMixin, collapse_whitespace, HtmlTestMixin
 
 
-class BookmarkSharedViewTestCase(TestCase, BookmarkFactoryMixin):
+class BookmarkSharedViewTestCase(TestCase, BookmarkFactoryMixin, HtmlTestMixin):
 
     def authenticate(self) -> None:
         user = self.get_or_create_test_user()
@@ -334,3 +334,13 @@ class BookmarkSharedViewTestCase(TestCase, BookmarkFactoryMixin):
         response = self.client.get(reverse('bookmarks:shared'))
 
         self.assertVisibleBookmarks(response, visible_bookmarks, '_self')
+
+    def test_url_encode_bookmark_actions_url(self):
+        url = reverse('bookmarks:shared') + '?q=%23foo'
+        response = self.client.get(url)
+        html = response.content.decode()
+        soup = self.make_soup(html)
+        actions_form = soup.select('form.bookmark-actions')[0]
+
+        self.assertEqual(actions_form.attrs['action'],
+                         '/bookmarks/shared/action?q=%23foo&return_url=%2Fbookmarks%2Fshared%3Fq%3D%2523foo')