diff --git a/main/gui/source/main.cpp b/main/gui/source/main.cpp
index 8fcfcde00..c5fbc3768 100644
--- a/main/gui/source/main.cpp
+++ b/main/gui/source/main.cpp
@@ -21,6 +21,7 @@
 
 #if defined(OS_WINDOWS)
     #include <windows.h>
+    #include <codecvt>
 #elif defined(OS_WEB)
     #include <emscripten.h>
     #include <emscripten/html5.h>