diff --git a/src/frontend_common/config.cpp b/src/frontend_common/config.cpp
index 2bf52b1d82..eec169aa14 100644
--- a/src/frontend_common/config.cpp
+++ b/src/frontend_common/config.cpp
@@ -14,6 +14,10 @@
 #include "common/settings_enums.h"
 #include "config.h"
 
+#ifdef _WIN32
+#include "common/string_util.h"
+#endif
+
 #include <boost/algorithm/string/replace.hpp>
 
 #include "common/assert.h"