diff --git a/src/popupmnu.c b/src/popupmnu.c
index 10a5edf..5808ae1 100644
--- a/src/popupmnu.c
+++ b/src/popupmnu.c
@@ -573,7 +573,7 @@
 		{
 		    /* Don't want to sync undo in the current buffer. */
 		    ++no_u_sync;
-		    res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0);
+		    res = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 0, NULL);
 		    --no_u_sync;
 		    if (res == OK)
 		    {