1 files changed, 1 insertions, 0 deletions
diff --git a/otk/otk.hh b/otk/otk.hh
index 74187f05..9ddf34e9 100644
--- a/otk/otk.hh
+++ b/otk/otk.hh
@@ -15,6 +15,7 @@
 #include "rendercolor.hh"
 #include "display.hh"
 #include "font.hh"
+#include "messagedialog.hh"
 #include "rendercontrol.hh"
 #include "size.hh"
 #include "point.hh"