diff --git a/src/gtk1/font.cpp b/src/gtk1/font.cpp
index 93e30695a4..c6a1888c16 100644
--- a/src/gtk1/font.cpp
+++ b/src/gtk1/font.cpp
@@ -24,6 +24,7 @@
     #include "wx/log.h"
     #include "wx/settings.h"
     #include "wx/gdicmn.h"
+    #include "wx/encinfo.h"
 #endif
 
 #include "wx/fontutil.h"