diff --git a/build-constraints.yaml b/build-constraints.yaml
index b0524977..f776e3f7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4046,6 +4046,7 @@ expected-test-failures:
     - rethinkdb
     - rethinkdb-client-driver
     - riak # needs riak server on localhost:8098
+    - sdl2 # "Failed to connect to the Mir Server"
     - serialport # "The tests need two serial ports as command line arguments" https://github.com/jputcu/serialport/issues/30
     - serversession-backend-redis # redis
     - shake # Needs ghc on $PATH with some installed haskell packages