diff --git a/root/etc/s6-overlay/s6-rc.d/init-phpmyadmin-config/run b/root/etc/s6-overlay/s6-rc.d/init-phpmyadmin-config/run
index 5693a29..4183d24 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-phpmyadmin-config/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-phpmyadmin-config/run
@@ -1,13 +1,14 @@
 #!/usr/bin/with-contenv bash
+# shellcheck shell=bash
 
 mkdir -p \
     /config/phpmyadmin \
     /app/www/public/tmp
 
 if [ ! -f /config/phpmyadmin/config.secret.inc.php ]; then
-    cat > /config/phpmyadmin/config.secret.inc.php <<EOT
+    cat >/config/phpmyadmin/config.secret.inc.php <<EOT
 <?php
-\$cfg['blowfish_secret'] = '$(tr -dc 'a-zA-Z0-9~!@#$%^&*_()+}{?></";.,[]=-' < /dev/urandom | fold -w 32 | head -n 1)';
+\$cfg['blowfish_secret'] = '$(tr -dc 'a-zA-Z0-9~!@#$%^&*_()+}{?></";.,[]=-' </dev/urandom | fold -w 32 | head -n 1)';
 EOT
 fi
 
diff --git a/root/migrations/02-default-location b/root/migrations/02-default-location
index 73e77de..50b759d 100644
--- a/root/migrations/02-default-location
+++ b/root/migrations/02-default-location
@@ -1,10 +1,11 @@
 #!/usr/bin/with-contenv bash
+# shellcheck shell=bash
 
 DEFAULT_CONF="/config/nginx/site-confs/default.conf"
 OLD_ROOT="root /app/phpmyadmin;"
 NEW_ROOT="root /app/www/public;"
 
-if grep -q "${OLD_ROOT}" "${DEFAULT_CONF}" 2>/dev/null;then
+if grep -q "${OLD_ROOT}" "${DEFAULT_CONF}" 2>/dev/null; then
     echo "updating root in ${DEFAULT_CONF}"
     sed -i "s|${OLD_ROOT}|${NEW_ROOT}|" "${DEFAULT_CONF}"
 fi