diff --git a/kscreensaver/krootbacking/Makefile.am b/kscreensaver/krootbacking/Makefile.am
index 0352c5d2..46144d14 100644
--- a/kscreensaver/krootbacking/Makefile.am
+++ b/kscreensaver/krootbacking/Makefile.am
@@ -13,5 +13,5 @@ hackdir = /usr/local/bin/
 hack_DATA = xscreensaver-getimage xscreensaver-getimage-file
 
 install-data-hook:
-	chmod 755 $(hackdir)/xscreensaver-getimage
-	chmod 755 $(hackdir)/xscreensaver-getimage-file
+	chmod 755 $(DESTDIR)$(hackdir)/xscreensaver-getimage
+	chmod 755 $(DESTDIR)$(hackdir)/xscreensaver-getimage-file