diff --git a/vvp/vvp.def b/vvp/vvp.def
index cbc478bbb..1d1737c77 100644
--- a/vvp/vvp.def
+++ b/vvp/vvp.def
@@ -7,6 +7,7 @@ vpi_flush
 vpi_fopen
 vpi_free_object
 vpi_get
+vpi_get64
 vpi_get_delays
 vpi_get_file
 vpi_get_str