correct coverage rule

diff --git a/test/Makefile b/test/Makefile
index 6dbc1c4727d6d19f44919c041a39587c879a620c..9231937b8d7d875227368e80970d0bc1e4d96509 100644 (file)
--- a/test/Makefile
+++ b/test/Makefile
@@ -35,7 +35,7 @@ clean:
        rm -f clean $(wildcard games.backup.*.json)
 
 coverage:
-       NODE="nyc $(NODE)" make test
+       NODE="$(NODE) --experimental-test-coverage --test" make test
 
 test:
        TRIVABBLE_TEST_HOST=$(HOST) \