--- a/data/images/Makefile
+++ b/data/images/Makefile
@@ -31,6 +31,6 @@
 
 install :
 	$Qinstall -d $(DESTDIR)$(DATADIR)/images
-	$Qinstall $(IMAGES) $(DESTDIR)$(DATADIR)/images
+	$Qinstall -m 0644 $(IMAGES) $(DESTDIR)$(DATADIR)/images
 
 include $(TOPDIR)/.config/rules.mk