diff --git a/src/normal.c b/src/normal.c
index 346cc8b..cee008e 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -2110,6 +2110,7 @@
 /*
  * Handle the "gy" operator: call 'operatorfunc'.
  */
+/*ARGSUSED*/
     void
 op_function(oap)
     oparg_T	*oap;