diff --git a/src/gtk1/utilsgtk.cpp b/src/gtk1/utilsgtk.cpp
index 3439ce69e6..cefd4eddda 100644
--- a/src/gtk1/utilsgtk.cpp
+++ b/src/gtk1/utilsgtk.cpp
@@ -201,3 +201,9 @@ wxString wxGUIAppTraits::GetDesktopEnvironment() const
 {
     return wxEmptyString;
 }
+
+void wxGUIAppTraits::SetLocale()
+{
+    gtk_set_locale();
+}
+