diff --git a/src/term.c b/src/term.c
index b55d395..bb4bad1 100644
--- a/src/term.c
+++ b/src/term.c
@@ -38,7 +38,7 @@
  * argument for tputs().
  */
 # ifdef VMS
-#  define TPUTSFUNCAST
+#  define TPUTSFUNCAST (void (*)(unsigned int))
 # else
 #  ifdef HAVE_OUTFUNTYPE
 #   define TPUTSFUNCAST (outfuntype)