diff --git a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
index 248fdef0aa5..d755aafd55f 100644
--- a/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
+++ b/dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
@@ -171,7 +171,7 @@ void IMergedBlockOutputStream::writeDataImpl(
 				writeIntBinary(stream.compressed.offset(), stream.marks);
 			}
 
-			DataTypeUInt8{}.serializeBinaryBulk(nullable_col.getNullMapConcreteColumn(), stream.compressed, 0, 0);
+			DataTypeUInt8{}.serializeBinaryBulk(nullable_col.getNullMapConcreteColumn(), stream.compressed, prev_mark, limit);
 
 			/// This way that instead of the marks pointing to the end of the compressed block, there were marks pointing to the beginning of the next one.
 			stream.compressed.nextIfAtEnd();
diff --git a/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.reference b/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.reference
new file mode 100644
index 00000000000..83b33d238da
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.reference
@@ -0,0 +1 @@
+1000
diff --git a/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.sql b/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.sql
new file mode 100644
index 00000000000..b3386d5444e
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/00440_nulls_merge_tree.sql
@@ -0,0 +1,5 @@
+DROP TABLE IF EXISTS test.nulls;
+CREATE TABLE test.nulls (d Date, x Nullable(UInt64)) ENGINE = MergeTree(d, d, 8192);
+INSERT INTO test.nulls SELECT toDate('2000-01-01'), number % 10 != 0 ? number : NULL FROM system.numbers LIMIT 10000;
+SELECT count() FROM test.nulls WHERE x IS NULL;
+DROP TABLE test.nulls;