diff --git a/src/testdir/test64.in b/src/testdir/test64.in
index ac3f13d..8f7008c 100644
--- a/src/testdir/test64.in
+++ b/src/testdir/test64.in
@@ -427,6 +427,7 @@
 :""""" \@>
 :call add(tl, [2, '\(a*\)\@>a', 'aaaa'])
 :call add(tl, [2, '\(a*\)\@>b', 'aaab', 'aaab', 'aaa'])
+:call add(tl, [2, '^\(.\{-}b\)\@>.', '  abcbd', '  abc', '  ab'])
 :" TODO: BT engine does not restore submatch after failure
 :call add(tl, [1, '\(a*\)\@>a\|a\+', 'aaaa', 'aaaa'])
 :"