diff --git a/strip_suffix.py b/strip_suffix.py
index d8d8253..9fb5b38 100644
--- a/strip_suffix.py
+++ b/strip_suffix.py
@@ -5,15 +5,18 @@ import glob
 
 
 def strip_duplicate_suffix(filename):
-    """Strips OS-generated duplicate suffixes like ' (2)', ' (3)' from a filename.
+    """Strips unwanted suffixes from a filename: OS-generated ' (2)', ' (3)',
+    and trailing ' - Join'.
 
     Examples:
-        'video (2).mp4'  -> 'video.mp4'
-        'video (3).mp4'  -> 'video.mp4'
-        'video.mp4'      -> 'video.mp4'
+        'video (2).mp4'     -> 'video.mp4'
+        'video (3).mp4'     -> 'video.mp4'
+        'video - Join.mp4'  -> 'video.mp4'
+        'video.mp4'         -> 'video.mp4'
     """
     name, ext = os.path.splitext(filename)
     cleaned = re.sub(r'\s+\(\d+\)$', '', name)
+    cleaned = re.sub(r'\s+-\s+Join$', '', cleaned)
     return cleaned + ext