diff --git a/ibis/expr/operations/reductions.py b/ibis/expr/operations/reductions.py
index 87f45eb33018..7e5501a1c1de 100644
--- a/ibis/expr/operations/reductions.py
+++ b/ibis/expr/operations/reductions.py
@@ -129,7 +129,7 @@ class Quantile(Filterable, Reduction):
 
 
 @public
-class MultiQuantile(Quantile):
+class MultiQuantile(Filterable, Reduction):
     arg = rlz.any
     quantile = rlz.value(dt.Array(dt.float64))
     interpolation = rlz.isin({'linear', 'lower', 'higher', 'midpoint', 'nearest'})