diff --git a/cmake/modules/FindPythonInstDir.cmake b/cmake/modules/FindPythonInstDir.cmake
index ed098ded..2a2e1543 100644
--- a/cmake/modules/FindPythonInstDir.cmake
+++ b/cmake/modules/FindPythonInstDir.cmake
@@ -1,6 +1 @@
-EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} -c "
-from sys import stdout
-from sysconfig import get_path
-path=get_path(name='platlib', vars={'platbase':'${CMAKE_INSTALL_PREFIX}'})
-stdout.write(path)"
-OUTPUT_VARIABLE PYTHON_INSTALL_DIR)
+SET(PYTHON_INSTALL_DIR "@PYTHON_INSTALL_DIR@")