diff --git a/config/os2/ftmodule.h b/config/os2/ftmodule.h
index e87e49d..f76aa1c 100644
--- a/config/os2/ftmodule.h
+++ b/config/os2/ftmodule.h
@@ -1,3 +1,4 @@
+FT_DRIVER(psnames_driver_interface)
 FT_DRIVER(sfnt_driver_interface)
 FT_DRIVER(tt_driver_interface)
 FT_DRIVER(t1_driver_interface)