diff --git a/litecord/blueprints/channel/messages.py b/litecord/blueprints/channel/messages.py
index b1ef399..9f4d3ea 100644
--- a/litecord/blueprints/channel/messages.py
+++ b/litecord/blueprints/channel/messages.py
@@ -12,7 +12,7 @@ from litecord.snowflake import get_snowflake
 from litecord.schemas import validate, MESSAGE_CREATE
 from litecord.utils import pg_set_json
 
-from litecord.embed import sanitize_embed
+from litecord.embed.sanitizer import fill_embed
 
 
 log = Logger(__name__)
@@ -260,7 +260,10 @@ async def _create_message(channel_id):
             'tts': is_tts,
             'nonce': int(j.get('nonce', 0)),
             'everyone_mention': mentions_everyone or mentions_here,
-            'embeds': [sanitize_embed(j['embed'])] if 'embed' in j else [],
+
+            # fill_embed takes care of filling proxy and width/height
+            'embeds': ([await fill_embed(j['embed'])]
+                       if 'embed' in j else []),
         })
 
     payload = await app.storage.get_message(message_id, user_id)
diff --git a/litecord/embed/sanitizer.py b/litecord/embed/sanitizer.py
index 1121cce..ec89cb9 100644
--- a/litecord/embed/sanitizer.py
+++ b/litecord/embed/sanitizer.py
@@ -58,9 +58,9 @@ def path_exists(embed: Embed, components: str):
 def proxify(url) -> str:
     """Return a mediaproxy url for the given EmbedURL."""
 
-    md_base_url = app.config.MEDIA_PROXY
+    md_base_url = app.config['MEDIA_PROXY']
     parsed = url.parsed
-    proto = 'https' if app.config.IS_SSL else 'http'
+    proto = 'https' if app.config['IS_SSL'] else 'http'
 
     return (
         # base mediaproxy url
@@ -74,9 +74,9 @@ async def fetch_metadata(url) -> dict:
     parsed = url.parsed
 
     md_path = f'{parsed.scheme}/{parsed.netloc}/{parsed.path}'
-    md_base_url = app.config.MEDIA_PROXY
 
-    proto = 'https' if app.config.IS_SSL else 'http'
+    md_base_url = app.config['MEDIA_PROXY']
+    proto = 'https' if app.config['IS_SSL'] else 'http'
 
     request_url = f'{proto}://{md_base_url}/meta/{md_path}'