diff --git a/distrib/msw/gtk.rsp b/distrib/msw/gtk.rsp
index 99e06bcd39..91905f57c4 100644
--- a/distrib/msw/gtk.rsp
+++ b/distrib/msw/gtk.rsp
@@ -14,6 +14,7 @@ src/gtk/files.lst
 src/gtk/*.cpp
 src/gtk/*.c
 src/gtk/*.xbm
+src/gtk/*.h
 
 misc/afm/*.afm
 misc/gs_afm/*.afm