--- watchman-2025.02.17.00/CMakeLists.txt	2025-02-11 06:04:00.000000000 +0100
+++ watchman-2025.02.17.00.new/CMakeLists.txt	2025-02-24 11:43:49.436331332 +0100
@@ -427,7 +427,7 @@
       ${CMAKE_COMMAND} -E env
         CMAKE_CURRENT_SOURCE_DIR=${CMAKE_CURRENT_SOURCE_DIR}
         ${Python3_EXECUTABLE} ${SETUP_PY} install
-        --root $ENV{DESTDIR}${CMAKE_INSTALL_PREFIX}
+        --root $ENV{DESTDIR} --prefix ${CMAKE_INSTALL_PREFIX}
       WORKING_DIRECTORY ${PYWATCHMAN_BASE}
       RESULT_VARIABLE STATUS)
     if (NOT STATUS STREQUAL 0)