diff --git a/ai_commands.py b/ai_commands.py
index d044f06..25a62c8 100644
--- a/ai_commands.py
+++ b/ai_commands.py
@@ -218,18 +218,18 @@ class Events(commands.Cog):
             await discord_friendly_send(channel, "Słyszałem ja żem że: " + message.content)
             return
         channel = message.channel
-        message.content = message.content.lower()
+        message_content_lower = message.content.lower()
 
         tdelta = datetime.now() - MASTER_TIMEOUT
         tdelta = tdelta.total_seconds()
-        if "opowiedz o fabryczce" in message.content:
+        if "opowiedz o fabryczce" in message_content_lower:
             await message.reply(DATA["fabryczka"])
-        if "opowiedz mi o fabryczce" in message.content:
+        if "opowiedz mi o fabryczce" in message_content_lower:
             await message.reply(DATA["fabryczka"])
 
         if tdelta > INITIAL_TIME_WAIT:
             for word in WORD_REACTIONS:
-                if re.search(r"\b" + word + r"\b", message.content):
+                if re.search(r"\b" + word + r"\b", message_content_lower):
                     tdelta = datetime.now() - WORD_REACTIONS[word][2]
                     tdelta = tdelta.total_seconds()
                     security_clearance = WORD_REACTIONS[word][4]
@@ -252,11 +252,11 @@ class Events(commands.Cog):
             if mention == self.bot.user:
                 kondziu_mentioned = True
 
-        if kondziu_mentioned or "conjurer:" in message.content:
+        if kondziu_mentioned or "conjurer:" in message_content_lower:
             async with channel.typing():
                 self.logger.debug("Procedura chatu")
 
-                message.content = message.content.replace("conjurer: ", "")
+                message_content_lower = message_content_lower.replace("conjurer: ", "")
                 if message.author.nick:
                     username = message.author.nick
                 else:
@@ -292,8 +292,8 @@ class Events(commands.Cog):
         if "imaginuje sobie:" in message.content:
             async with channel.typing():
                 self.logger.info("Poczatek procedury obrazkowej")
-                message.content = message.content.replace("imaginuje sobie: ", "")
-                self.logger.debug("Wywolanie obrazka: %s", message.content)
+                message_content_lower = message_content_lower.replace("imaginuje sobie: ", "")
+                self.logger.debug("Wywolanie obrazka: %s", message_content_lower)
                 try:
                     response = await OPENAICLIENT.images.generate(
                         model="dall-e-3",