diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index 7a20e18..ef04ba2 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -430,6 +430,7 @@
 :call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
 :call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])
 :call add(tl, [2, '^\(.\{-}b\)\@>.', '  abcbd', '  abc', '  ab'])
+:call add(tl, [2, '\(.\{-}\)\(\)\@>$', 'abc', 'abc', 'abc', ''])
 :" TODO: BT engine does not restore submatch after failure
 :call add(tl, [1, '\(a*\)\@>a\|a\+', 'aaaa', 'aaaa'])
 :"