diff --git a/build-constraints.yaml b/build-constraints.yaml
index 2609666d5..8252be984 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5262,8 +5262,8 @@ expected-haddock-failures:
 skipped-haddocks:
 # approximate
 # invertible
-# modular # https://github.com/haskell/haddock/issues/900
-# sparkle # Java function failures tweag/sparkle#144
+- modular # https://github.com/haskell/haddock/issues/900
+- sparkle # Java function failures tweag/sparkle#144
 # end of skipped-haddocks
 
 # Benchmarks which should not be built. Note that Stackage builds benchmarks but does not run them.