diff --git a/tonlib/tonlib/KeyValue.cpp b/tonlib/tonlib/KeyValue.cpp
index ca055aad7..b62ce7c01 100644
--- a/tonlib/tonlib/KeyValue.cpp
+++ b/tonlib/tonlib/KeyValue.cpp
@@ -22,6 +22,7 @@
 #include "td/utils/port/path.h"
 #include "td/utils/PathView.h"
 
+#include <algorithm>
 #include <map>
 #include <utility>