diff --git a/core/includes/install.inc b/core/includes/install.inc
index fa6311e..da63d6c 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -203,10 +203,10 @@ function drupal_rewrite_settings($settings = array(), $settings_file = NULL) {
   $settings_settings = array();
   $config_overrides = array();
   foreach ($settings as $setting => $data) {
-    if ($setting == 'settings') {
+    if ($setting === 'settings') {
       _drupal_rewrite_settings_global($settings_settings, $data);
     }
-    elseif ($setting == 'config') {
+    elseif ($setting === 'config') {
       _drupal_rewrite_settings_global($config_overrides, $data);
     }
     else {