diff --git a/pyproject.toml b/pyproject.toml
index 470876b..2e6464a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ doc = [
 include = ['osier']
 
 [tool.pytest.ini_options]
-addopts = "--cov"
+addopts = "--cov=osier tests"
 
 [tool.coverage.report]
-fail_under = 80
\ No newline at end of file
+fail_under = 75
\ No newline at end of file