diff --git a/pyproject.toml b/pyproject.toml
index 3a252ad..9c52656 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,4 +10,6 @@ addopts = "--doctest-modules"
 testpaths = [
     "test",
     "src",
+    "src/escpos",
+    "escpos",
 ]