diff --git a/src/irclog2html/irclogserver.py b/src/irclog2html/irclogserver.py
index 0843498..7524591 100755
--- a/src/irclog2html/irclogserver.py
+++ b/src/irclog2html/irclogserver.py
@@ -62,7 +62,7 @@ def parse_path(environ):
     path = environ.get('PATH_INFO', '/')
     path = path[1:]  # Remove the leading slash
     channel = None
-    if environ.get('IRCLOG_CHAN_DIR'):
+    if environ.get('IRCLOG_CHAN_DIR', os.environ.get('IRCLOG_CHAN_DIR')):
         if '/' in path:
             channel, path = path.split('/', 1)
             if channel == '..':
diff --git a/src/irclog2html/tests/test_irclogserver.py b/src/irclog2html/tests/test_irclogserver.py
index 4a77848..e5848a8 100644
--- a/src/irclog2html/tests/test_irclogserver.py
+++ b/src/irclog2html/tests/test_irclogserver.py
@@ -235,6 +235,14 @@ def test_chan_os_environ(self, environ):
         self.assertIn(b'IRC logs', response.body)
         self.assertIn(b'<a href="%23chan/">#chan</a>', response.body)
 
+    @mock.patch("os.environ")
+    def test_chan_search_page(self, environ):
+        os.environ.get = {"IRCLOG_CHAN_DIR": self.tmpdir}.get
+        response = self.request(
+            '/#chan/search')
+        self.assertEqual(response.content_type, 'text/html; charset=UTF-8')
+        self.assertIn(b'<title>Search IRC logs</title>', response.body)
+
 
 def test_suite():
     return unittest.TestSuite([