diff --git a/ci/test.sh b/ci/test.sh
index 1b3d6cc3..265e0a3a 100755
--- a/ci/test.sh
+++ b/ci/test.sh
@@ -3,6 +3,9 @@ set -eu
 cd -- "$(dirname "$0")/.."
 
 go install github.com/agnivade/wasmbrowsertest@latest
+if [ "${CI-}" ]; then
+  export AUTOBAHN=1
+fi
 go test --race --timeout=1h --covermode=atomic --coverprofile=ci/out/coverage.prof --coverpkg=./... "$@" ./...
 sed -i.bak '/stringer\.go/d' ci/out/coverage.prof
 sed -i.bak '/nhooyr.io\/websocket\/internal\/test/d' ci/out/coverage.prof