diff --git a/debian/rules b/debian/rules
index adbab214..ac8c4ba0 100755
--- a/debian/rules
+++ b/debian/rules
@@ -32,7 +32,7 @@ install-stamp: build-stamp
 	find debian/debian-cd -name '.svn' | xargs -r rm -rf
 	find debian/debian-cd/usr/share/debian-cd/tools/boot \
 	  \( -name 'boot-*' -o -name 'post-boot-*' \) -a \! -name '*.txt' \
-	  -a \! -name '*.calc' -a \! -name boot-x86 | -a \! -name boot-kfreebsd | xargs chmod 0755
+	  -a \! -name '*.calc' -a \! -name boot-x86 -a \! -name boot-kfreebsd | xargs chmod 0755
 	cd debian/debian-cd/usr/share/debian-cd/contrib && chmod 755 cronjob.* ftp.cron \
 		generate_firmware_images iso_run jigdo-watcher \
 		merge-sums mkjigsnap mklist mktorrent \