diff --git a/entrypoint-sentinel.sh b/entrypoint-sentinel.sh
index 43a971b..446ae32 100755
--- a/entrypoint-sentinel.sh
+++ b/entrypoint-sentinel.sh
@@ -25,7 +25,7 @@ sentinel_mode_setup(){
       echo "sentinel auth-pass ${MASTER_GROUP_NAME} ${MASTER_PASSWORD}"
     fi
     if [[ -n "${SENTINEL_ID}" ]];then
-      (echo -n "sentinel myid "; echo ${SENTINEL_ID} | sha1sum | awk "{ print \$1 }")
+      (echo -n "sentinel myid "; echo "${SENTINEL_ID}" | sha1sum | awk '{ print $1 }')
     fi
   }>> /etc/redis/sentinel.conf