diff --git a/os2/pdcurses.def b/os2/pdcurses.def
index cc8621a8..f2e16d9b 100644
--- a/os2/pdcurses.def
+++ b/os2/pdcurses.def
@@ -19,6 +19,7 @@ EXPORTS
             PDC_freeclipboard
             PDC_getclipboard
             PDC_setclipboard
+            PDC_clearclipboard
             PDC_set_title
             stdscr
             curscr