diff --git a/pd/src/makefile.mingw b/pd/src/makefile.mingw
index dab5222fab60f0ba12492ca964b6180fb6798f7b..c3364e72c5e8a35f25ca2e3c53095d3668e243e2 100755
--- a/pd/src/makefile.mingw
+++ b/pd/src/makefile.mingw
@@ -107,7 +107,7 @@ PMOBJ =  $(PMSRC:.c=.o)
 GSRC =
 
 HEADERS = g_all_guis.h m_imp.h g_canvas.h g_magicglass.h m_pd.h s_stuff.h \
-	g_undo.h x_preset.h \
+	g_undo.h x_preset.h s_utf8.h \
 	$(wildcard ../portaudio/common/*.h) s_audio_paring.h
 
 SRC = g_canvas.c g_graph.c g_text.c g_rtext.c g_array.c g_template.c g_io.c \