diff --git a/Dockerfile b/Dockerfile
index 38313f1..77c861f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,26 +1,26 @@
 FROM python:3.9.12-bullseye
 
 # Basic config
-ARG DAILY_TASKS=True
-ARG DAILY_RELEASES=True
-ARG DAILY_TASKS_UTC_HOUR=12
+ARG daily_tasks=true
+ARG daily_releases=true
+ARG daily_tasks_utc_hour=12
 
 # Secret config
-ARG BOT_TOKEN
-ARG DAILY_CHANNEL_ID
-ARG GRAVATAR_EMAIL
-ARG IGDB_CLIENT_ID
-ARG IGDB_CLIENT_SECRET
+ARG bot_token
+ARG daily_channel_id
+ARG gravatar_email
+ARG igdb_client_id
+ARG igdb_client_secret
 
 # Environment variables
-ENV DAILY_TASKS=$DAILY_TASKS
-ENV DAILY_RELEASES=$DAILY_RELEASES
-ENV DAILY_CHANNEL_ID=$DAILY_CHANNEL_ID
-ENV DAILY_TASKS_UTC_HOUR=$DAILY_TASKS_UTC_HOUR
-ENV BOT_TOKEN=$BOT_TOKEN
-ENV GRAVATAR_EMAIL=$GRAVATAR_EMAIL
-ENV IGDB_CLIENT_ID=$IGDB_CLIENT_ID
-ENV IGDB_CLIENT_SECRET=$IGDB_CLIENT_SECRET
+ENV daily_tasks=$DAILY_TASKS
+ENV daily_releases=$DAILY_RELEASES
+ENV daily_channel_id=$DAILY_CHANNEL_ID
+ENV daily_tasks_utc_hour=$DAILY_TASKS_UTC_HOUR
+ENV bot_token=$BOT_TOKEN
+ENV gravatar_email=$GRAVATAR_EMAIL
+ENV igdb_client_id=$IGDB_CLIENT_ID
+ENV igdb_client_secret=$IGDB_CLIENT_SECRET
 
 COPY requirements.txt .
 COPY *.py .
diff --git a/discord_bot.py b/discord_bot.py
index c96bd87..cc75828 100644
--- a/discord_bot.py
+++ b/discord_bot.py
@@ -174,7 +174,7 @@ async def on_ready():
     except KeyError:
         daily_task.start()
     else:
-        if os.environ['daily_tasks'] == 'true':
+        if os.environ['daily_tasks'].lower() == 'true':
             daily_task.start()
         else:
             print("'daily_tasks' environment variable is disabled")
@@ -379,7 +379,7 @@ async def daily_task():
         except KeyError:
             daily_releases = True
         else:
-            if os.environ['daily_tasks'] == 'true':
+            if os.environ['daily_tasks'].lower() == 'true':
                 daily_releases = True
             else:
                 print("'daily_releases' environment variable is disabled")