diff --git a/views.py b/views.py
index c09b126..8c7e833 100644
--- a/views.py
+++ b/views.py
@@ -36,6 +36,10 @@ def ggphtProxy(received_request):
 
 	prefix = "https://yt3.ggpht.com/"
 
+	# fix for how materialious fetches avatars
+	if received_request.startswith("guc/"):
+		return gucProxy(received_request.removeprefix("guc/"))
+
 	ggpht = requests.get(prefix + received_request, headers=ythdd_globals.getHeaders(caller='proxy'), stream=True)
 	ggpht.raw.decode_content = True
 	response = Response(ggpht.raw, mimetype=ggpht.headers['content-type'], status=ggpht.status_code)
diff --git a/ythdd_extractor.py b/ythdd_extractor.py
index bab0246..0993d06 100644
--- a/ythdd_extractor.py
+++ b/ythdd_extractor.py
@@ -276,8 +276,8 @@ def generateChannelAvatarsFromUrl(url: str, proxied: bool = True) -> list:
 	# Generates channel avatars at default sizes.
 
 	# avatar urls for channels in search results start with //yt3.ggpht.com/
-	if url.startswith("//yt3.ggpht.com/"):
-		url = url.replace("//yt3.ggpht.com/", "https://yt3.ggpht.com/")
+	if url.startswith("//"):
+		url = "https:" + url
 
 	avatars = []
 	if not url.startswith("https://yt3.ggpht.com/") and not url.startswith("https://yt3.googleusercontent.com/"):