diff --git a/pyproject.toml b/pyproject.toml
index fc8980f..fe209c9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,6 +68,8 @@ warn_unused_ignores = false
 
 [tool.coverage.run]
 branch = true
+source = ["src/module_name", "tests"]
+
 
 [tool.coverage.report]
 exclude_lines = [