diff --git a/cps/db.py b/cps/db.py
index 5c487e43..f4b5ec96 100644
--- a/cps/db.py
+++ b/cps/db.py
@@ -546,14 +546,14 @@ class CalibreDB(threading.Thread):
 
     def get_typeahead(self, database, query, replace=('', ''), tag_filter=true()):
         query = query or ''
-        self.session.connection().connection.connection.create_function("lower", 1, self.lcase)
+        self.session.connection().connection.connection.create_function("lower", 1, lcase)
         entries = self.session.query(database).filter(tag_filter). \
             filter(func.lower(database.name).ilike("%" + query + "%")).all()
         json_dumps = json.dumps([dict(name=r.name.replace(*replace)) for r in entries])
         return json_dumps
 
     def check_exists_book(self, authr, title):
-        self.session.connection().connection.connection.create_function("lower", 1, self.lcase)
+        self.session.connection().connection.connection.create_function("lower", 1, lcase)
         q = list()
         authorterms = re.split(r'\s*&\s*', authr)
         for authorterm in authorterms:
@@ -565,7 +565,7 @@ class CalibreDB(threading.Thread):
     # read search results from calibre-database and return it (function is used for feed and simple search
     def get_search_results(self, term):
         term.strip().lower()
-        self.session.connection().connection.connection.create_function("lower", 1, self.lcase)
+        self.session.connection().connection.connection.create_function("lower", 1, lcase)
         q = list()
         authorterms = re.split("[, ]+", term)
         for authorterm in authorterms:
@@ -642,8 +642,10 @@ class CalibreDB(threading.Thread):
         self.engine.dispose()
         self.setup_db(config, app_db_path)
 
-    def lcase(self, s):
-        try:
-            return unidecode.unidecode(s.lower())
-        except Exception as e:
-            self.log.exception(e)
+def lcase(s):
+    try:
+        return unidecode.unidecode(s.lower())
+    except Exception as e:
+        log = logger.create()
+        log.exception(e)
+        return s.lower()
diff --git a/cps/web.py b/cps/web.py
index e2ef8e99..5b4b014a 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -590,7 +590,7 @@ def get_languages_json():
 def get_matching_tags():
     tag_dict = {'tags': []}
     q = calibre_db.session.query(db.Books)
-    calibre_db.session.connection().connection.connection.create_function("lower", 1, calibre_db.lcase)
+    calibre_db.session.connection().connection.connection.create_function("lower", 1, db.lcase)
     author_input = request.args.get('author_name') or ''
     title_input = request.args.get('book_title') or ''
     include_tag_inputs = request.args.getlist('include_tag') or ''
@@ -1020,7 +1020,7 @@ def search():
 def advanced_search():
     # Build custom columns names
     cc = get_cc_columns()
-    calibre_db.session.connection().connection.connection.create_function("lower", 1, calibre_db.lcase)
+    calibre_db.session.connection().connection.connection.create_function("lower", 1, db.lcase)
     q = calibre_db.session.query(db.Books).filter(calibre_db.common_filters()).order_by(db.Books.sort)
 
     include_tag_inputs = request.args.getlist('include_tag')
diff --git a/test/Calibre-Web TestSummary.html b/test/Calibre-Web TestSummary.html
index 8de86c9d..58884fcf 100755
--- a/test/Calibre-Web TestSummary.html	
+++ b/test/Calibre-Web TestSummary.html	
@@ -36,17 +36,17 @@
       <div class="col-xs-12 col-sm-6">
       <div class="row">
         <div class="col-xs-6 col-md-6 col-sm-offset-3" style="margin-top:50px;">
-            <p class='text-justify attribute'><strong>Start Time: </strong>2020-05-22 07:43:12</p>
+            <p class='text-justify attribute'><strong>Start Time: </strong>2020-05-22 18:17:02</p>
         </div>
       </div>
       <div class="row">
         <div class="col-xs-6 col-md-6 col-sm-offset-3">
-            <p class='text-justify attribute'><strong>Stop Time: </strong>2020-05-22 08:41:06</p>
+            <p class='text-justify attribute'><strong>Stop Time: </strong>2020-05-22 19:14:53</p>
         </div>
       </div>
       <div class="row">
         <div class="col-xs-6 col-md-6 col-sm-offset-3">
-           <p class='text-justify attribute'><strong>Duration: </strong>48:51 min</p>
+           <p class='text-justify attribute'><strong>Duration: </strong>48:49 min</p>
         </div>
       </div>
       </div>
@@ -2219,8 +2219,8 @@ AssertionError: False is not true : logfile config value is not empty after rese
     <tr class="result['header']['style']">
         <td>test_visiblilitys.calibre_web_visibilitys</td>
         <td class="text-center">28</td>
-        <td class="text-center">27</td>
-        <td class="text-center">1</td>
+        <td class="text-center">28</td>
+        <td class="text-center">0</td>
         <td class="text-center">0</td>
         <td class="text-center">0</td>
         <td class="text-center">
@@ -2410,31 +2410,11 @@ AssertionError: False is not true : logfile config value is not empty after rese
     
     
     
-        <tr id='ft20.21' class='none bg-danger'>
+        <tr id='pt20.21' class='hiddenRow bg-success'>
             <td>
                 <div class='testcase'>test_link_column_to_read_status</div>
             </td>
-            <td colspan='6'>
-                <div class="text-center">
-                    <a class="popup_link text-center" onfocus='blur()' onclick="showTestDetail('div_ft20.21')">FAIL</a>
-                </div>
-                <!--css div popup start-->
-                <div id='div_ft20.21' class="popup_window test_output" style="display:none;">
-                    <div class='close_button pull-right'>
-                        <button type="button" class="close" aria-label="Close" onfocus='this.blur();'
-                                onclick="document.getElementById('div_ft20.21').style.display='none'"><span
-                                aria-hidden="true">&times;</span></button>
-                    </div>
-                    <div class="text-left pull-left">
-                        <pre class="text-left">Traceback (most recent call last):
-  File "/home/matthias/Entwicklung/calibre-web-test/test/test_visiblilitys.py", line 683, in test_link_column_to_read_status
-    self.assertEqual(len(details['cust_columns']), 0)
-AssertionError: 1 != 0</pre>
-                    </div>
-                    <div class="clearfix"></div>
-                </div>
-                <!--css div popup end-->
-            </td>
+            <td colspan='6' align='center'>PASS</td>
         </tr>
     
     
@@ -2505,8 +2485,8 @@ AssertionError: 1 != 0</pre>
     <tr id='total_row' class="text-center bg-grey">
         <td>Total</td>
         <td>211</td>
-        <td>200</td>
-        <td>5</td>
+        <td>201</td>
+        <td>4</td>
         <td>0</td>
         <td>6</td>
         <td>&nbsp;</td>
@@ -2734,7 +2714,7 @@ AssertionError: 1 != 0</pre>
 </div>
 
 <script>
-    drawCircle(200, 5, 0, 6);
+    drawCircle(201, 4, 0, 6);
 </script>
 
 </div>