diff --git a/modules/server/containers/apps/favicon.nix b/modules/server/containers/apps/favicon.nix
index 904651b..0d6262f 100644
--- a/modules/server/containers/apps/favicon.nix
+++ b/modules/server/containers/apps/favicon.nix
@@ -125,12 +125,14 @@ let
         return None, DEFAULT_PROFILE
 
     def _replace_logo_fill(svg, color):
-        return re.sub(
+        svg, count = re.subn(
             r"fill:\\s*#3193f5\\b",
             f"fill:{color}",
             svg,
             flags=re.IGNORECASE,
         )
+        print(f"favicon-fill replace_count={count} color={color}")
+        return svg
 
     def _colors(profile):
         profile = profile or {}