diff --git a/sh/log.sh b/sh/log.sh
index 1891609..040bf28 100644
--- a/sh/log.sh
+++ b/sh/log.sh
@@ -1,44 +1,44 @@
-LOG_LEVEL_FATAL=0
-LOG_LEVEL_ERROR=1
-LOG_LEVEL_WARN=2
-LOG_LEVEL_INFO=3
-LOG_LEVEL_DEBUG=4
-LOG_LEVEL_TRACE=5
+SH_LOG_LEVEL_FATAL=0
+SH_LOG_LEVEL_ERROR=1
+SH_LOG_LEVEL_WARN=2
+SH_LOG_LEVEL_INFO=3
+SH_LOG_LEVEL_DEBUG=4
+SH_LOG_LEVEL_TRACE=5
 
-LOG_LEVEL=${LOG_LEVEL_INFO}
+SH_LOG_LEVEL=${SH_LOG_LEVEL_INFO}
 
 log_debug() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_DEBUG}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_DEBUG}" ]; then
 		echo "[DEBUG]" "${@}"
 	fi
 }
 
 log_error() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_ERROR}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_ERROR}" ]; then
 		echo "[ERROR]" "${@}"
 	fi
 }
 
 log_fatal() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_FATAL}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_FATAL}" ]; then
 		echo "[FATAL]" "${@}"
 	fi
 }
 
 log_info() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_INFO}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_INFO}" ]; then
 		echo "${@}"
 	fi
 }
 
 log_trace() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_TRACE}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_TRACE}" ]; then
 		echo "[TRACE]" "${@}"
 	fi
 }
 
 log_warn() {
-	if [ "${LOG_LEVEL}" -ge "${LOG_LEVEL_WARN}" ]; then
+	if [ "${SH_LOG_LEVEL}" -ge "${SH_LOG_LEVEL_WARN}" ]; then
 		echo " [WARN]" "${@}"
 	fi
 }