diff --git a/payphone/cogs/calls/cog.py b/payphone/cogs/calls/cog.py
index 5c13cc9..5b325ae 100644
--- a/payphone/cogs/calls/cog.py
+++ b/payphone/cogs/calls/cog.py
@@ -16,10 +16,10 @@ import aiohttp
 import orjson
 
 from payphone import bot
-from payphone.db import utils, models
+from payphone.db import utils as dbutils, models
 from payphone.cogs import base
 from payphone.cogs.calls import embeds
-from payphone.core import constants, checks, censorship, formatting
+from payphone.core import constants, checks, censorship, formatting, utils
 from payphone.core.redis import redis
 
 
@@ -45,8 +45,8 @@ class Calls(base.Cog):
 
         pipe = redis.pipeline()
 
-        pipe.smembers(constants.MESSAGES_QUEUE)
-        pipe.smembers(constants.MESSAGE_CONTENTS_QUEUE)
+        pipe.hgetall(constants.MESSAGES_QUEUE)
+        pipe.hgetall(constants.MESSAGE_CONTENTS_QUEUE)
 
         pipe.delete(
             constants.MESSAGES_QUEUE,
@@ -57,11 +57,14 @@ class Calls(base.Cog):
         messages, message_contents, _ = await pipe.execute()
 
         messages = sorted(
-            [models.Message(**orjson.loads(msg)) for msg in messages],
+            [models.Message(**orjson.loads(msg)) for msg in messages.values()],
             key=lambda m: m.created_at,
         )
         message_contents = sorted(
-            [models.MessageContent(**orjson.loads(msg)) for msg in message_contents],
+            [
+                models.MessageContent(**orjson.loads(msg))
+                for msg in message_contents.values()
+            ],
             key=lambda m: m.created_at,
         )
 
@@ -233,7 +236,7 @@ class Calls(base.Cog):
 
             break
 
-        channel = await utils.get_channel(ctx.channel)
+        channel = await dbutils.get_channel(ctx.channel)
 
         if other_channel_id is not None:
             await redis.sadd(
@@ -249,7 +252,7 @@ class Calls(base.Cog):
 
                 call = await models.Call.create(is_nsfw=ctx.channel.is_nsfw())
 
-                user, profile = await utils.get_user(ctx.author)
+                user, profile = await dbutils.get_user(ctx.author)
 
                 await models.CallUserChannelRelationship.create(
                     call=call,
@@ -426,7 +429,7 @@ class Calls(base.Cog):
 
                 call = await models.Call.create(is_nsfw=ctx.channel.is_nsfw())
 
-                user, profile = await utils.get_user(ctx.author)
+                user, profile = await dbutils.get_user(ctx.author)
 
                 await models.CallUserChannelRelationship.create(
                     call=call,
@@ -492,7 +495,7 @@ class Calls(base.Cog):
         )
 
         if is_on_call:
-            channel = await utils.get_channel(ctx.channel)
+            channel = await dbutils.get_channel(ctx.channel)
 
             call = await models.Call.get(id=channel.call_id).prefetch_related(
                 "channels"
@@ -559,7 +562,7 @@ class Calls(base.Cog):
         - `<reason>`: The reason why you're reporting the call.
         """
 
-        user, _ = await utils.get_user(ctx.author)
+        user, _ = await dbutils.get_user(ctx.author)
         channel_id = ctx.channel.id
 
         if call_id is None:
@@ -702,7 +705,7 @@ class Calls(base.Cog):
         if is_banned:
             return
 
-        channel = await utils.get_channel(message.channel)
+        channel = await dbutils.get_channel(message.channel)
 
         try:
             call = await models.Call.get(id=channel.call_id).prefetch_related(
@@ -721,7 +724,7 @@ class Calls(base.Cog):
             # BUG: The call wasn't properly set up.
             return
 
-        user, profile = await utils.get_user(message.author)
+        user, profile = await dbutils.get_user(message.author)
 
         call_rss = await models.CallUserChannelRelationship.filter(
             call=call, channel=channel
@@ -795,8 +798,9 @@ class Calls(base.Cog):
 
         pipe = redis.pipeline()
 
-        pipe.sadd(
+        pipe.hset(
             constants.MESSAGES_QUEUE,
+            message.id,
             orjson.dumps(
                 {
                     "id": message.id,
@@ -814,8 +818,9 @@ class Calls(base.Cog):
                 }
             ),
         )
-        pipe.sadd(
+        pipe.hset(
             constants.MESSAGE_CONTENTS_QUEUE,
+            message.id,
             orjson.dumps(
                 {
                     "message_id": message.id,
diff --git a/payphone/core/utils.py b/payphone/core/utils.py
index e407cea..a46f6ed 100644
--- a/payphone/core/utils.py
+++ b/payphone/core/utils.py
@@ -5,11 +5,11 @@ T = TypeVar("T")
 U = TypeVar("U")
 
 
-def deduplicate(iter: Iterable[T], key: Callable[[T], U] = lambda i: i) -> list[T]:
+def deduplicate(i: Iterable[T], key: Callable[[T], U] = lambda i: i) -> list[T]:
     """Deduplicates an Iterable.
 
     Args:
-        iter (Iterable[T]): The iterable with items to deduplicate.
+        i (Iterable[T]): The iterable with items to deduplicate.
         key (Callable[[T], U], optional): The key by which to deduplicate. Defaults to `lambda i: i`.
 
     Returns:
@@ -20,8 +20,8 @@ def deduplicate(iter: Iterable[T], key: Callable[[T], U] = lambda i: i) -> list[
 
     result = []
 
-    for i in iter:
-        if key(i) not in found_keys:
-            result.append(i)
+    for item in i:
+        if key(item) not in found_keys:
+            result.append(item)
     
     return result