diff --git a/Makefile.am b/Makefile.am
index 895e28c..bdf512a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,8 @@
 
 if ENABLE_PHAL
   systemdsystemunit_DATA += set-spi-mux.service \
-                            phal-reinit-devtree.service
+                            phal-reinit-devtree.service \
+                            proc-pre-poweroff@.service
 endif
 
 bin_PROGRAMS = \