diff --git a/dbms/src/Storages/MergeTree/MergeTreeData.cpp b/dbms/src/Storages/MergeTree/MergeTreeData.cpp
index f34d1aa107c..a470cc97bee 100644
--- a/dbms/src/Storages/MergeTree/MergeTreeData.cpp
+++ b/dbms/src/Storages/MergeTree/MergeTreeData.cpp
@@ -2967,6 +2967,8 @@ MergeTreeData::MutableDataPartsVector MergeTreeData::tryLoadPartsToAttach(const
         String part_id = partition->as<ASTLiteral &>().value.safeGet<String>();
         validateDetachedPartName(part_id);
         renamed_parts.addPart(part_id, "attaching_" + part_id);
+        if (MergeTreePartInfo::tryParsePartName(part_id, nullptr, format_version))
+            name_to_disk[part_id] = getDiskForPart(part_id, source_dir);
     }
     else
     {
diff --git a/dbms/tests/queries/0_stateless/01015_attach_part.reference b/dbms/tests/queries/0_stateless/01015_attach_part.reference
new file mode 100644
index 00000000000..b6cd514cd25
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/01015_attach_part.reference
@@ -0,0 +1,3 @@
+1000
+0
+1000
diff --git a/dbms/tests/queries/0_stateless/01015_attach_part.sql b/dbms/tests/queries/0_stateless/01015_attach_part.sql
new file mode 100644
index 00000000000..290b5eb967f
--- /dev/null
+++ b/dbms/tests/queries/0_stateless/01015_attach_part.sql
@@ -0,0 +1,22 @@
+DROP TABLE IF EXISTS table_01;
+
+CREATE TABLE table_01 (
+    date Date,
+    n Int32
+) ENGINE = MergeTree()
+PARTITION BY date
+ORDER BY date;
+
+INSERT INTO table_01 SELECT toDate('2019-10-01'), number FROM system.numbers LIMIT 1000;
+
+SELECT COUNT() FROM table_01;
+
+ALTER TABLE table_01 DETACH PARTITION ID '20191001';
+
+SELECT COUNT() FROM table_01;
+
+ALTER TABLE table_01 ATTACH PART '20191001_1_1_0';
+
+SELECT COUNT() FROM table_01;
+
+DROP TABLE IF EXISTS table_01;