diff --git a/pyproject.toml b/pyproject.toml
index a3460d5..56cfa96 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ log_cli = true
 [tool.coverage.run]
 relative_files = true
 source = [
-    "lang_main",
+    "src/",
     "tests/",
 ]