diff --git a/src/apps/webpositive/SettingsWindow.cpp b/src/apps/webpositive/SettingsWindow.cpp
index 79afb38ccc..f0be0810c4 100644
--- a/src/apps/webpositive/SettingsWindow.cpp
+++ b/src/apps/webpositive/SettingsWindow.cpp
@@ -32,6 +32,7 @@
 #include <GridLayoutBuilder.h>
 #include <GroupLayout.h>
 #include <GroupLayoutBuilder.h>
+#include <Locale.h>
 #include <MenuItem.h>
 #include <MenuField.h>
 #include <Message.h>