diff --git a/ethosu/regor/CMakeLists.txt b/ethosu/regor/CMakeLists.txt
index 08d325143150c1799faf8741a3b824ac6280ee2c..8b2c57c320e379fb5e6736323cd7107861628a4c 100644
--- a/ethosu/regor/CMakeLists.txt
+++ b/ethosu/regor/CMakeLists.txt
@@ -215,6 +215,7 @@ include(regor_dependencies)
 find_package(Threads REQUIRED)
 
 if (REGOR_PYTHON_BINDINGS_DESTINATION AND NOT TARGET pybind11::module)
+    set(PYBIND11_FINDPYTHON ON)
     regor_add_dependency(dependencies/thirdparty/pybind11)
 endif()