diff --git a/username_enumeration_prevention.install b/username_enumeration_prevention.install
index 55e6f33..f8db41a 100644
--- a/username_enumeration_prevention.install
+++ b/username_enumeration_prevention.install
@@ -12,51 +12,56 @@
  */
 function username_enumeration_prevention_requirements($phase) {
   $requirements = array();
+  // Ensure translations don't break during installation.
+  $t = get_t();

-  $username_enumeration_prevention_roles = user_roles(FALSE, 'access user profiles');
-  if (isset($username_enumeration_prevention_roles[1]) && $username_enumeration_prevention_roles[1] == "anonymous user") {
-    $value = t('WARNING! Anonymous users have permission to access user
-      profiles.');
-    $severity = REQUIREMENT_WARNING;
-  }
-  else {
-    $value = t('Anonymous users do not have permission to access user
-      profiles.');
-  }
-
-  $requirements['username_enumeration_prevention_via_permissions'] = array(
-    'title' => t('Username enumeration prevention'),
-    'value' => $value,
-    'description' => t('Granting anonymous users permission to access user
-    profiles poses a security risk because it allows users who are not logged
-    into the site to obtain usernames via callbacks. More information is
-    available in the module README or on the !url.', array('!url' =>
-    l(t('project page'),
-      'http://drupal.org/project/username_enumeration_prevention'))),
-    'severity' => isset($severity) ? $severity : REQUIREMENT_OK,
-  );
-
-  if (module_exists('pathauto') && module_exists('globalredirect')) {
-    $globalredirect_settings = _globalredirect_get_settings();
-    if (strstr(variable_get('pathauto_user_pattern', 'users/[user:name]'), '[user:name]') && !$globalredirect_settings['menu_check']) {
-      $value = t('WARNING! Current Pathauto and Global Redirect settings may
-        expose usernames.');
+  // Only in the Runtime $phase environment.
+  if ($phase == 'runtime') {
+    $username_enumeration_prevention_roles = user_roles(FALSE, 'access user profiles');
+    if (isset($username_enumeration_prevention_roles[1]) && $username_enumeration_prevention_roles[1] == "anonymous user") {
+      $value = $t('WARNING! Anonymous users have permission to access user
+        profiles.');
       $severity = REQUIREMENT_WARNING;
-    } else {
-      $value = t('Pathauto and Global Redirect settings have been changed from
-        the defaults that can expose username.');
     }
-    $requirements['username_enumeration_prevention_via_redirects'] = array(
-      'title' => t('Username enumeration prevention'),
+    else {
+      $value = $t('Anonymous users do not have permission to access user
+        profiles.');
+    }
+
+    $requirements['username_enumeration_prevention_via_permissions'] = array(
+      'title' => $t('Username enumeration prevention'),
       'value' => $value,
-      'description' => t("Pathauto's default user paths, along with Global
-      Redirect's default Menu Access Checking disabled combine to create
-      redirects with no access checking. More information is available in the
-      !url.", array('!url' => l(t('Global Redirect issue queue'),
-        'http://drupal.org/node/782476'))),
+      'description' => $t('Granting anonymous users permission to access user
+      profiles poses a security risk because it allows users who are not logged
+      into the site to obtain usernames via callbacks. More information is
+      available in the module README or on the !url.', array('!url' =>
+      l($t('project page'),
+        'http://drupal.org/project/username_enumeration_prevention'))),
       'severity' => isset($severity) ? $severity : REQUIREMENT_OK,
     );
-  }

+    if (module_exists('pathauto') && module_exists('globalredirect')) {
+      $globalredirect_settings = _globalredirect_get_settings();
+      if (strstr(variable_get('pathauto_user_pattern', 'users/[user:name]'), '[user:name]') && !$globalredirect_settings['menu_check']) {
+        $value = $t('WARNING! Current Pathauto and Global Redirect settings may
+          expose usernames.');
+        $severity = REQUIREMENT_WARNING;
+      }
+      else {
+        $value = $t('Pathauto and Global Redirect settings have been changed from
+          the defaults that can expose username.');
+      }
+      $requirements['username_enumeration_prevention_via_redirects'] = array(
+        'title' => $t('Username enumeration prevention'),
+        'value' => $value,
+        'description' => $t("Pathauto's default user paths, along with Global
+        Redirect's default Menu Access Checking disabled combine to create
+        redirects with no access checking. More information is available in the
+        !url.", array('!url' => l($t('Global Redirect issue queue'),
+          'http://drupal.org/node/782476'))),
+        'severity' => isset($severity) ? $severity : REQUIREMENT_OK,
+      );
+    }
+  }
   return $requirements;
 }