diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 62f2bdb..e932cca 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -75 +75 @@ nanobind_add_stub(
-  DEPENDS py_stub_test.py
+  DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/py_stub_test.py