diff --git a/install.php b/install.php
index 2b83a3c52825f86e6359d43bf88deedb47b79884..16b2cf204e5fdcc4b0f88b2eda2c9e1e3237493e 100644
--- a/install.php
+++ b/install.php
@@ -434,7 +434,7 @@ function install_select_profile() {
   }
   elseif (sizeof($profiles) > 1) {
     foreach ($profiles as $profile) {
-      if ($_POST['profile'] == $profile->name) {
+      if (!empty($_POST['profile']) && ($_POST['profile'] == $profile->name)) {
         return $profile->name;
       }
     }