diff --git a/src/vcpkg.cpp b/src/vcpkg.cpp
index 7754a93697..7eeebb2e28 100644
--- a/src/vcpkg.cpp
+++ b/src/vcpkg.cpp
@@ -23,6 +23,7 @@
 #include <locale.h>
 
 #include <cassert>
+#include <clocale>
 #include <memory>
 #include <random>