diff --git a/install/alpine-tinyauth-install.sh b/install/alpine-tinyauth-install.sh
index 6f71d5ee..e150e15e 100644
--- a/install/alpine-tinyauth-install.sh
+++ b/install/alpine-tinyauth-install.sh
@@ -60,18 +60,17 @@ command_background="true"
 pidfile="/var/run/tinyauth.pid"
 
 start_pre() {
-    if [ -f "/opt/tinyauth/.env" ]; then
-        line=""
-        while IFS= read -r line || [ -n "${line-}" ]; do
-            [ -z "$line" ] && continue
-            case "$line" in
-                '#'*)
-                    continue
-                    ;;
-            esac
-            export "$line"
-        done < "/opt/tinyauth/.env"
-    fi
+  if [ -f "/opt/tinyauth/.env" ]; then
+    while IFS= read -r line || [ -n "${line-}" ]; do
+      [ -z "${line-}" ] && continue
+      case "${line-}" in
+        '#'*)
+          continue
+          ;;
+      esac
+      export "$line"
+    done < "/opt/tinyauth/.env"
+  fi
 }
 
 depend() {