diff --git a/font_collector/font.py b/font_collector/font.py
index d24cb48..63d2859 100644
--- a/font_collector/font.py
+++ b/font_collector/font.py
@@ -231,6 +231,8 @@ def __eq__(self, other: "Font"):
     def __hash__(self):
         return hash(
             (
+                self.filename,
+                self.font_index,
                 tuple(self.family_names),
                 self.italic,
                 self.weight,