Only use ivar if defined

jnunemaker · jnunemaker · commit 38732215b5a7 · 2025-02-19T14:25:19.000-05:00
diff --git a/lib/flipper/ui/views/layout.erb b/lib/flipper/ui/views/layout.erb
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <title><%= @page_title ? "#{@page_title} // " : "" %>Flipper</title>
+    <title><%= defined?(@page_title) ? "#{@page_title} // " : "" %>Flipper</title>
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
