diff --git a/src/testdir/gen_opt_test.vim b/src/testdir/gen_opt_test.vim
index d1c721e..7a4ffa8 100644
--- a/src/testdir/gen_opt_test.vim
+++ b/src/testdir/gen_opt_test.vim
@@ -88,8 +88,8 @@
       \ 'numberwidth': [[1, 4, 8, 10, 11, 20], [-1, 0, 21]],
       \ 'regexpengine': [[0, 1, 2], [-1, 3, 999]],
       \ 'report': [[0, 1, 2, 9999], [-1]],
-      \ 'scroll': [[0, 1, 2, 20], [-1, 999]],
-      \ 'scrolljump': [[-100, -1, 0, 1, 2, 20], [-101, 999]],
+      \ 'scroll': [[0, 1, 2, 15], [-1, 999]],
+      \ 'scrolljump': [[-100, -1, 0, 1, 2, 15], [-101, 999]],
       \ 'scrolloff': [[0, 1, 8, 999], [-1]],
       \ 'shiftwidth': [[0, 1, 8, 999], [-1]],
       \ 'sidescroll': [[0, 1, 8, 999], [-1]],