diff --git a/app.py b/app.py
index f768ad5..ed8ca9c 100644
--- a/app.py
+++ b/app.py
@@ -46,6 +46,7 @@ from config import DB
 from config import DEBUG_MODE
 from config import DOMAIN
 from config import HEADERS
+from config import ICON_URL
 from config import ID
 from config import JWT
 from config import KEY
@@ -715,6 +716,11 @@ def wellknown_webfinger():
                 "rel": "http://webfinger.net/rel/profile-page",
                 "type": "text/html",
             },
+            {
+                "href": ICON_URL,
+                "rel": "http://webfinger.net/rel/avatar",
+                "type": mimetypes.guess_type(ICON_URL)[0],
+            },
         ],
     }
 
diff --git a/config.py b/config.py
index 38cf802..5f2da9c 100644
--- a/config.py
+++ b/config.py
@@ -1,3 +1,4 @@
+import mimetypes
 import os
 import subprocess
 from datetime import datetime
@@ -83,7 +84,7 @@ with open(os.path.join(SASS_DIR, f"{THEME_STYLE.value}.scss")) as f:
     theme_css += "\n"
 with open(os.path.join(SASS_DIR, "base_theme.scss")) as f:
     raw_css = theme_css + f.read()
-    CSS = sass.compile(string=raw_css, output_style='compressed')
+    CSS = sass.compile(string=raw_css, output_style="compressed")
 
 
 USER_AGENT = (
@@ -136,6 +137,10 @@ ME = {
     "summary": SUMMARY,
     "endpoints": {},
     "url": ID,
-    "icon": {"mediaType": "image/png", "type": "Image", "url": ICON_URL},
+    "icon": {
+        "mediaType": mimetypes.guess_type(ICON_URL)[0],
+        "type": "Image",
+        "url": ICON_URL,
+    },
     "publicKey": KEY.to_dict(),
 }