diff --git a/td/telegram/files/FileDb.cpp b/td/telegram/files/FileDb.cpp
index f976f38eb..586a2c223 100644
--- a/td/telegram/files/FileDb.cpp
+++ b/td/telegram/files/FileDb.cpp
@@ -6,6 +6,7 @@
 //
 #include "td/telegram/files/FileDb.h"
 
+#include "td/telegram/files/FileData.h"
 #include "td/telegram/files/FileLocation.h"
 #include "td/telegram/Version.h"
 
diff --git a/td/telegram/files/FileDb.h b/td/telegram/files/FileDb.h
index b14bdbda2..51a2cc42e 100644
--- a/td/telegram/files/FileDb.h
+++ b/td/telegram/files/FileDb.h
@@ -6,7 +6,6 @@
 //
 #pragma once
 
-#include "td/telegram/files/FileData.h"
 #include "td/telegram/files/FileDbId.h"
 
 #include "td/actor/PromiseFuture.h"
@@ -20,6 +19,7 @@
 
 namespace td {
 
+class FileData;
 class SqliteDb;
 class SqliteConnectionSafe;
 class SqliteKeyValue;