diff --git a/t/test-lib.sh b/t/test-lib.sh
index e2629339d4b1c9acf8cdf002f8ac59ef736eacf3..e75ad5faace6e40e7f6f3f47e9be90b0e9c4691e 100755 (executable)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
export EDITOR VISUAL
-case $(echo $GIT_TRACE |tr [A-Z] [a-z]) in
+case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1|2|true)
echo "* warning: Some tests will not work if GIT_TRACE" \
"is set as to trace on STDERR ! *"