diff --git a/src/ui/main.py b/src/ui/main.py
index 4eca9098f..a9b207bfe 100755
--- a/src/ui/main.py
+++ b/src/ui/main.py
@@ -359,6 +359,8 @@ def setup():
             return redirect(url_for("home"))
         return redirect(url_for("login"), 301)
 
+    db_config = app.config["CONFIG"].get_config(methods=False)
+
     if request.method == "POST":
         if not request.form:
             flash("Missing form data.", "error")
@@ -382,8 +384,6 @@ def setup():
             flash("The admin password is not strong enough. It must contain at least 8 characters, including at least 1 uppercase letter, 1 lowercase letter, 1 number and 1 special character (#@?!$%^&*-).", "error")
             error = True
 
-        db_config = app.config["CONFIG"].get_config(methods=False)
-
         server_names = db_config["SERVER_NAME"].split(" ")
         if request.form["server_name"] in server_names:
             flash(f"The hostname {request.form['server_name']} is already in use.", "error")
@@ -435,7 +435,13 @@ def setup():
 
         return redirect(url_for("loading", next=url_for("services"), message=f"Creating service {request.form['server_name']} for the web UI"))
 
-    return render_template("setup.html", username=getenv("ADMIN_USERNAME", ""), password=getenv("ADMIN_PASSWORD", ""), random_url=f"/{''.join(choice(ascii_letters + digits) for _ in range(10))}")
+    return render_template(
+        "setup.html",
+        username=getenv("ADMIN_USERNAME", ""),
+        password=getenv("ADMIN_PASSWORD", ""),
+        ui_host=db_config.get("UI_HOST", getenv("UI_HOST", "")),
+        random_url=f"/{''.join(choice(ascii_letters + digits) for _ in range(10))}",
+    )
 
 
 @app.route("/home")
diff --git a/src/ui/templates/setup.html b/src/ui/templates/setup.html
index eff488576..9737f7397 100644
--- a/src/ui/templates/setup.html
+++ b/src/ui/templates/setup.html
@@ -1456,9 +1456,9 @@
                 type="text"
                 id="ui_host"
                 name="ui_host"
-                value="UI_HOST"
+                value="{{ ui_host }}"
                 class="col-span-12 dark:border-slate-600 dark:bg-slate-700 dark:text-gray-300 disabled:opacity-75 focus:valid:border-green-500 focus:invalid:border-red-500 outline-none focus:border-primary text-sm leading-5.6 ease block w-full appearance-none rounded-lg border border-solid border-gray-300 bg-white bg-clip-padding px-4 py-2 font-normal text-gray-700 transition-all placeholder:text-gray-500"
-                placeholder="http://bw-ui:7000"
+                placeholder="http://[hostname](:[port])"
                 pattern="^https?:\/\/.{1,255}(:((6553[0-5])|(655[0-2][0-9])|(65[0-4][0-9]{2})|(6[0-4][0-9]{3})|([1-5][0-9]{4})|([0-5]{0,5})|([0-9]{1,4})))?$"
                 required
               />