diff --git a/utils.py b/utils.py
index 29f56a8..164767c 100644
--- a/utils.py
+++ b/utils.py
@@ -406,7 +406,7 @@ def following_keys(forward=True, all_keys=False) -> list:# -> list[int] | list |
         return []
 
     # Sort frames (invert if looking backward)
-    frames.sort(reversed=not forward)
+    frames.sort(reverse=not forward)
 
     if all_keys:
         frames = list(set(frames))