diff --git a/docker-compose.yml b/docker-compose.yml
index 21b31ab..85a9bae 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,9 +1,10 @@
 version: "3"
 
 services:
-  wallamanta-bot:
+  wallamanta-bot-multiuser:
     build: wallamanta
-    container_name: wallamanta-bot
+    image: wallamanta:multiuser
+    container_name: wallamanta-bot-multiuser
     volumes:
       - ./data:/app/data
     restart: unless-stopped
diff --git a/wallamanta/helpers.py b/wallamanta/helpers.py
index afa693c..3ca4c50 100644
--- a/wallamanta/helpers.py
+++ b/wallamanta/helpers.py
@@ -1,7 +1,7 @@
 from datetime import datetime, timedelta
 
 #TELEGRAM_ESCAPE_CHARACTERS = ['_', '*', '[', ']', '(', ')', '~', '>', '#', '+', '-', '=', '|', '{', '}', '.', '!']
-TELEGRAM_ESCAPE_CHARACTERS = ['_', '*', '[', ']', '(', ')', '~', '>', '+', '-', '=', '|', '{', '}', '.', '!']
+TELEGRAM_ESCAPE_CHARACTERS = ['_', '*', '[', ']', '(', ')', '~', '>', '#', '+', '-', '=', '|', '{', '}', '.', '!']
 ADMIN_IDS = [10101691]
 
 def telegram_escape_characters(text):
diff --git a/wallamanta/walladb.py b/wallamanta/walladb.py
index fd161bd..58c9990 100644
--- a/wallamanta/walladb.py
+++ b/wallamanta/walladb.py
@@ -62,7 +62,7 @@ def add_premium_user(telegram_user_id, until):
         cur.execute(f"INSERT INTO users VALUES ({telegram_user_id}, True, 'premium', '{until}')")
         con.commit()
     else:
-        cur.execute(f"UPDATE users SET active = True, type = 'premium', until = {until} WHERE telegram_user_id={telegram_user_id}")
+        cur.execute(f"UPDATE users SET active = True, type = 'premium', until = '{until}' WHERE telegram_user_id={telegram_user_id}")
         con.commit()
         found = True
     con.close()
diff --git a/wallamanta/wallamanta.py b/wallamanta/wallamanta.py
index ef56509..797d844 100644
--- a/wallamanta/wallamanta.py
+++ b/wallamanta/wallamanta.py
@@ -54,13 +54,13 @@ async def add_command(update: Update, context: ContextTypes.DEFAULT_TYPE) -> Non
         valid = False
         if walladb.is_user_testing(telegram_user_id):
             valid = True
-            if number_of_products > 5:
-                message = "Tienes más de 5 productos en seguimiento. Con premium puedes tener hasta 20."
+            if number_of_products >= 5:
+                message = "Ya tienes 5 productos en seguimiento. Con premium puedes tener hasta 20."
                 valid = False
         elif walladb.is_user_premium(telegram_user_id):
             valid = True
-            if number_of_products > 20:
-                message = "Tienes más de 20 productos en seguimiento. Borra algunos para añadir más."
+            if number_of_products >= 20:
+                message = "Ya tienes 20 productos en seguimiento. Borra algunos para añadir más."
                 valid = False
         if valid:
             args = update.message.text.split("/add ")
@@ -135,10 +135,10 @@ async def admin_command(update: Update, context: ContextTypes.DEFAULT_TYPE) -> N
 
 async def add_premium_user_command(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
     if helpers.is_user_admin(update.message.chat_id):
-        telegram_user_id = update.message.text.split('/add_premium_user ')[1]
-        days = update.message.text.split('/add_premium_user ')[2]
-        until = helpers.get_date_ahead(days)
-        if walladb.add_premium_user(telegram_user_id, until):
+        telegram_user_id = update.message.text.split('/add_premium_user ')[1].split(' ')[0]
+        days = update.message.text.split('/add_premium_user ')[1].split(' ')[1]
+        until = helpers.get_date_ahead(int(days))
+        if not walladb.add_premium_user(telegram_user_id, until):
             products = walladb.get_products_from_user(telegram_user_id)
 
             for product in products:
diff --git a/wallamanta/worker.py b/wallamanta/worker.py
index af2c2c3..6d657ff 100644
--- a/wallamanta/worker.py
+++ b/wallamanta/worker.py
@@ -23,7 +23,7 @@ logger = logging.getLogger(__name__)
 
 class Worker:
 
-    def is_valid_request(product):
+    def is_valid_request(self, product):
         is_valid = True
         if not walladb.get_product(product):
             is_valid = False