diff --git a/kallithea/model/db.py b/kallithea/model/db.py
--- a/kallithea/model/db.py
+++ b/kallithea/model/db.py
@@ -1563,6 +1563,7 @@ class RepoGroup(Base, BaseDbModel):
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
+        group_name = group_name.rstrip('/')
         if case_insensitive:
             gr = cls.query() \
                 .filter(func.lower(cls.group_name) == func.lower(group_name))
diff --git a/kallithea/tests/functional/test_repo_groups.py b/kallithea/tests/functional/test_repo_groups.py
--- a/kallithea/tests/functional/test_repo_groups.py
+++ b/kallithea/tests/functional/test_repo_groups.py
@@ -64,6 +64,10 @@ class TestRepoGroupsController(TestContr
         response = self.app.get(url('repos_group', group_name=group_name))
         response.mustcontain('href="/_admin/repo_groups/%s/edit"' % group_name)
 
+        # show ignores extra trailing slashes in the URL
+        response = self.app.get(url('repos_group', group_name='%s//' % group_name))
+        response.mustcontain('href="/_admin/repo_groups/%s/edit"' % group_name)
+
         # delete
         response = self.app.post(url('delete_repo_group', group_name=group_name),
                                  {'_authentication_token': self.authentication_token()})