diff --git a/util/build-gnu.sh b/util/build-gnu.sh
index 8e78c5a99..13fef7bb9 100755
--- a/util/build-gnu.sh
+++ b/util/build-gnu.sh
@@ -166,6 +166,9 @@ sed -i -e "s|rm: cannot remove 'a/1'|rm: cannot remove 'a'|g" tests/rm/rm2.sh
 
 sed -i -e "s|removed directory 'a/'|removed directory 'a'|g" tests/rm/v-slash.sh
 
+# 'rel' doesn't exist. Our implementation is giving a better message.
+sed -i -e "s|rm: cannot remove 'rel': Permission denied|rm: cannot remove 'rel': No such file or directory|g" tests/rm/inaccessible.sh
+
 # overlay-headers.sh test intends to check for inotify events,
 # however there's a bug because `---dis` is an alias for: `---disable-inotify`
 sed -i -e "s|---dis ||g" tests/tail-2/overlay-headers.sh