diff --git a/src/Storages/MergeTree/PartitionPruner.cpp b/src/Storages/MergeTree/PartitionPruner.cpp
index e85e8e833f8..dce52ef64e9 100644
--- a/src/Storages/MergeTree/PartitionPruner.cpp
+++ b/src/Storages/MergeTree/PartitionPruner.cpp
@@ -15,9 +15,21 @@ bool PartitionPruner::canBePruned(const DataPart & part)
     {
         const auto & partition_value = part.partition.value;
         std::vector<FieldRef> index_value(partition_value.begin(), partition_value.end());
+        for (auto & field : index_value)
+        {
+            // NULL_LAST
+            if (field.isNull())
+                field = POSITIVE_INFINITY;
+        }
         is_valid = partition_condition.mayBeTrueInRange(
             partition_value.size(), index_value.data(), index_value.data(), partition_key.data_types);
         partition_filter_map.emplace(partition_id, is_valid);
+        if (!is_valid)
+        {
+            WriteBufferFromOwnString buf;
+            part.partition.serializeText(part.storage, buf, FormatSettings{});
+            LOG_TRACE(&Poco::Logger::get("PartitionPruner"), "Partition {} gets pruned", buf.str());
+        }
     }
     return !is_valid;
 }
diff --git a/tests/queries/0_stateless/02353_partition_prune_nullable_key.reference b/tests/queries/0_stateless/02353_partition_prune_nullable_key.reference
new file mode 100644
index 00000000000..dec7d2fabd2
--- /dev/null
+++ b/tests/queries/0_stateless/02353_partition_prune_nullable_key.reference
@@ -0,0 +1 @@
+\N
diff --git a/tests/queries/0_stateless/02353_partition_prune_nullable_key.sql b/tests/queries/0_stateless/02353_partition_prune_nullable_key.sql
new file mode 100644
index 00000000000..5a5109c3140
--- /dev/null
+++ b/tests/queries/0_stateless/02353_partition_prune_nullable_key.sql
@@ -0,0 +1,9 @@
+drop table if exists n;
+
+create table n(nc Nullable(int)) engine = MergeTree order by (tuple()) partition by (nc) settings allow_nullable_key = 1;
+
+insert into n values (null);
+
+select * from n where nc is null;
+
+drop table n;