diff --git a/src/Interpreters/Aggregator.cpp b/src/Interpreters/Aggregator.cpp
index f740dff7c422..00b9088184d9 100644
--- a/src/Interpreters/Aggregator.cpp
+++ b/src/Interpreters/Aggregator.cpp
@@ -806,6 +806,11 @@ AggregatedDataVariants::Type Aggregator::chooseAggregationMethod()
                 return AggregatedDataVariants::Type::low_cardinality_key32;
             if (size_of_field == 8)
                 return AggregatedDataVariants::Type::low_cardinality_key64;
+            if (size_of_field == 16)
+                return AggregatedDataVariants::Type::low_cardinality_keys128;
+            if (size_of_field == 32)
+                return AggregatedDataVariants::Type::low_cardinality_keys256;
+            throw Exception("Logical error: low cardinality numeric column has sizeOfField not in 1, 2, 4, 8, 16, 32.", ErrorCodes::LOGICAL_ERROR);
         }
 
         if (size_of_field == 1)
diff --git a/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.reference b/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.reference
new file mode 100644
index 000000000000..2a3af430e485
--- /dev/null
+++ b/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.reference
@@ -0,0 +1,20 @@
+0	4950
+1	14950
+2	24950
+3	34950
+4	44950
+5	54950
+6	64950
+7	74950
+8	84950
+9	94950
+0	4950
+1	14950
+2	24950
+3	34950
+4	44950
+5	54950
+6	64950
+7	74950
+8	84950
+9	94950
diff --git a/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.sql b/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.sql
new file mode 100644
index 000000000000..893e5514ba52
--- /dev/null
+++ b/tests/queries/0_stateless/02459_low_cardinality_uint128_aggregator.sql
@@ -0,0 +1,9 @@
+SET allow_suspicious_low_cardinality_types = 1;
+-- LC UInt128
+CREATE TABLE group_by_pk_lc_uint128 (`k` LowCardinality(UInt128), `v` UInt32) ENGINE = MergeTree ORDER BY k PARTITION BY v%50;
+INSERT INTO group_by_pk_lc_uint128 SELECT number / 100, number FROM numbers(1000);
+SELECT k, sum(v) AS s FROM group_by_pk_lc_uint128 GROUP BY k ORDER BY k ASC LIMIT 1024 SETTINGS optimize_aggregation_in_order = 1;
+-- LC UInt256
+CREATE TABLE group_by_pk_lc_uint256 (`k` LowCardinality(UInt256), `v` UInt32) ENGINE = MergeTree ORDER BY k PARTITION BY v%50;
+INSERT INTO group_by_pk_lc_uint256 SELECT number / 100, number FROM numbers(1000);
+SELECT k, sum(v) AS s FROM group_by_pk_lc_uint256 GROUP BY k ORDER BY k ASC LIMIT 1024 SETTINGS optimize_aggregation_in_order = 1;