diff --git a/wau/addons.py b/wau/addons.py
index 9fcf217..fbc24d2 100644
--- a/wau/addons.py
+++ b/wau/addons.py
@@ -130,7 +130,7 @@ def toc_stem(toc: str):
     Removes AddOn .toc client version suffixes, such as '-Classic.toc' or '-BCC.toc'.
     See https://github.com/Stanzilla/WoWUIBugs/issues/68#issuecomment-889431675 for more information.
     """
-    return re.sub(r"(.*)[_-](Classic|Vanilla|BCC|TBC|Mainline)(\.toc)", r"\1\3", toc)
+    return re.sub(r"(.*)[_-](Classic|Vanilla|BCC|TBC|Wrath|WotLK|Mainline)(\.toc)", r"\1\3", toc)
 
 
 def get_valid_dir_filename(s: str) -> str: