diff --git a/pokemongo_bot/cell_workers/catch_visible_pokemon.py b/pokemongo_bot/cell_workers/catch_visible_pokemon.py
index 102d6c01c8..1bfed225df 100644
--- a/pokemongo_bot/cell_workers/catch_visible_pokemon.py
+++ b/pokemongo_bot/cell_workers/catch_visible_pokemon.py
@@ -16,9 +16,9 @@ def work(self):
                 key=
                 lambda x: distance(self.bot.position[0], self.bot.position[1], x['latitude'], x['longitude'])
             )
-
+            user_web_catchable = 'web/catchable-{}.json'.format(self.bot.config.username)
             for pokemon in self.bot.cell['catchable_pokemons']:
-                with open('user_web_catchable', 'w') as outfile:
+                with open(user_web_catchable, 'w') as outfile:
                     json.dump(pokemon, outfile)
                 self.emit_event(
                     'catchable_pokemon',