diff --git a/testsuite/tests/backpack/cabal/bkpcabal08/all.T b/testsuite/tests/backpack/cabal/bkpcabal08/all.T
index 08454185c1b38f7fce5cb0f3615f64fee5238d87..6775807dce3a08afcaf09813aef7b8ff84abe526 100644
--- a/testsuite/tests/backpack/cabal/bkpcabal08/all.T
+++ b/testsuite/tests/backpack/cabal/bkpcabal08/all.T
@@ -6,6 +6,7 @@ else:
 test('bkpcabal08',
      [extra_files(['p', 'q', 'impl', 'bkpcabal08.cabal', 'Setup.hs', 'R.hs']),
       js_broken(22351), 
+      fragile(23648),
       normalise_slashes,
       normalise_version('bkpcabal08')],
      run_command,