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-rw-r--r--lib/substvars.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/substvars.sh b/lib/substvars.sh
index ee7e860..5ef662b 100644
--- a/lib/substvars.sh
+++ b/lib/substvars.sh
@@ -29,7 +29,7 @@ set_substvar()
local value="${2}"
# Convert variable name to lower case and validate.
- name="$(echo "${name}" | tr 'A-Z-' 'a-z_')"
+ name="$(printf '%s\n' "${name}" | tr 'A-Z-' 'a-z_')"
case "${name:- }" in
*[!a-z0-9_]*)
error 2 "$(get_msg 'substvar_invalid')" "${name}"