diff --git a/src/borg/helpers/msgpack.py b/src/borg/helpers/msgpack.py
index 046132fc5..e669e9014 100644
--- a/src/borg/helpers/msgpack.py
+++ b/src/borg/helpers/msgpack.py
@@ -209,7 +209,7 @@ def is_supported_msgpack():
 
     if msgpack.version in []:  # < add bad releases here to deny list
         return False
-    return (1, 0, 3) <= msgpack.version <= (1, 1, 1)
+    return (1, 0, 3) <= msgpack.version[:3] <= (1, 1, 1)
 
 
 def get_limited_unpacker(kind):