diff --git a/src/Storages/ObjectStorage/StorageObjectStorageSource.cpp b/src/Storages/ObjectStorage/StorageObjectStorageSource.cpp
index d004243b3131..604e4fb425e0 100644
--- a/src/Storages/ObjectStorage/StorageObjectStorageSource.cpp
+++ b/src/Storages/ObjectStorage/StorageObjectStorageSource.cpp
@@ -60,6 +60,7 @@
 #include <base/sleep.h>
 #include <Common/ProfileEvents.h>
 #include <Core/SettingsEnums.h>
+#include <Poco/String.h>
 
 #include <Storages/MergeTree/MarkRange.h>
 #include <Interpreters/Cache/QueryConditionCache.h>