diff --git a/slixfeed/sqlite.py b/slixfeed/sqlite.py
index b4c9a0f..8f8af23 100644
--- a/slixfeed/sqlite.py
+++ b/slixfeed/sqlite.py
@@ -1968,6 +1968,41 @@ async def update_filters_value(db_file, key_value):
             cur.execute(sql, par)
 
 
+async def is_filter_key(db_file, key):
+    """
+    Get filters key.
+
+    Parameters
+    ----------
+    db_file : str
+        Path to database file.
+    key : str
+        Key: allow, deny.
+
+    Returns
+    -------
+    key : str
+        Key.
+    """
+    with create_connection(db_file) as conn:
+        cur = conn.cursor()
+        try:
+            sql = (
+                """
+                SELECT key
+                FROM filters
+                WHERE key = ?
+                """
+                )
+            par = (key,)
+            key = cur.execute(sql, par)
+            key = True
+        except:
+            key = False
+            logging.debug("No key {}.".format(key))
+    return key
+
+
 async def get_filters_value(db_file, key):
     """
     Get filters value.
@@ -1981,7 +2016,7 @@ async def get_filters_value(db_file, key):
 
     Returns
     -------
-    val : str
+    value : str
         List of strings.
     """
     with create_connection(db_file) as conn:
@@ -1999,9 +2034,7 @@ async def get_filters_value(db_file, key):
             value = str(value)
         except:
             value = None
-            logging.debug(
-                "No specific value set for key {}.".format(key)
-                )
+            logging.debug("No specific value set for key {}.".format(key))
     return value
 
 
diff --git a/slixfeed/xmpp/client.py b/slixfeed/xmpp/client.py
index 36e5251..98de357 100644
--- a/slixfeed/xmpp/client.py
+++ b/slixfeed/xmpp/client.py
@@ -548,7 +548,7 @@ class Slixfeed(slixmpp.ClientXMPP):
         jid_file = jid
         db_file = config.get_pathname_to_database(jid_file)
         form = self['xep_0004'].make_form('form', 'Filters')
-        form['instructions'] = '🕸️ Manage filters' # 🪄️
+        form['instructions'] = '🛡️ Manage filters' # 🪄️
         value  = await sqlite.get_filters_value(db_file, 'allow')
         form.add_field(var='allow',
                        ftype='text-single',
@@ -599,14 +599,10 @@ class Slixfeed(slixmpp.ClientXMPP):
             # keywords = await sqlite.get_filters_value(db_file, key)
             keywords = ''
             val = await config.add_to_list(val, keywords)
-            if await sqlite.get_filters_value(db_file, key):
+            if await sqlite.is_filter_key(db_file, key):
                 await sqlite.update_filters_value(db_file, [key, val])
-            else:
+            elif val:
                 await sqlite.set_filters_value(db_file, [key, val])
-            # result = '{}: {}'.format(key, val)
-            form.add_field(var=key + '_title',
-                           ftype='fixed',
-                           value=key.capitalize() + ' filter')
             form.add_field(var=key.capitalize() + ' list',
                            ftype='text-single',
                            value=val)