diff --git a/mis/install.sh b/mis/install.sh
index 663580b..f7a7c57 100644
--- a/mis/install.sh
+++ b/mis/install.sh
@@ -1,9 +1,11 @@
 #!/bin/bash
 
-sed -e "s!@MYSTIC_DIR@!$1!g" mis-start.sh > $1/mis-start
-chmkd +x $1/mis-start
-sed -e "s!@MYSTIC_DIR@!$1!g" mis-stop.sh > $1/mis-stop
-chmkd +x $1/mis-stop
-sed -e "s!@MYSTIC_DIR@!$1!g" mis.service > /etc/systemd/system/mis.service
+MYSTIC_DIR="$1"
+
+sed -e "s!@MYSTIC_DIR@!${MYSTIC_DIR}!g" mis-start.sh > ${MYSTIC_DIR}/mis-start
+chmod +x ${MYSTIC_DIR}/mis-start
+sed -e "s!@MYSTIC_DIR@!${MYSTIC_DIR}!g" mis-stop.sh > ${MYSTIC_DIR}/mis-stop
+chmod +x ${MYSTIC_DIR}/mis-stop
+sed -e "s!@MYSTIC_DIR@!${MYSTIC_DIR}!g" mis.service > /etc/systemd/system/mis.service
 systemctl daemon-reload