diff --git a/src/RecurlyEntityOperations.php b/src/RecurlyEntityOperations.php
index f8999c7..4f59303 100644
--- a/src/RecurlyEntityOperations.php
+++ b/src/RecurlyEntityOperations.php
@@ -100,7 +100,7 @@ class RecurlyEntityOperations {
         $recurly_account->update();
       }
       catch (Recurly_Error $e) {
-        drupal_set_message(t('The billing system reported an error: "@error" To ensure proper billing, please correct the problem if possible or contact support.', ['@error' => $e->getMessage()]), 'warning');
+        drupal_set_message($this->t('The billing system reported an error: "@error" To ensure proper billing, please correct the problem if possible or contact support.', ['@error' => $e->getMessage()]), 'warning');
         \Drupal::logger('recurly')->error('Account information could not be sent to the Recurly, it reported "@error" while trying to update !title with the values @values.', [
           '@error' => $e->getMessage(),
           '!title' => \Drupal::l($entity->label(), $entity->toUrl()),
diff --git a/src/RecurlyFormatManager.php b/src/RecurlyFormatManager.php
index 635971b..2a1af61 100644
--- a/src/RecurlyFormatManager.php
+++ b/src/RecurlyFormatManager.php
@@ -27,28 +27,28 @@ class RecurlyFormatManager {
   public function formatState($state) {
     switch ($state) {
       case RECURLY_STATE_ACTIVE:
-        return t('Active');
+        return $this->t('Active');
 
       case RECURLY_STATE_CANCELED:
-        return t('Canceled (will not renew)');
+        return $this->t('Canceled (will not renew)');
 
       case RECURLY_STATE_EXPIRED:
-        return t('Expired');
+        return $this->t('Expired');
 
       case RECURLY_STATE_FUTURE:
-        return t('Future Activation');
+        return $this->t('Future Activation');
 
       case RECURLY_STATE_PENDING_SUBSCRIPTION:
-        return t('Switching to new plan');
+        return $this->t('Switching to new plan');
 
       case RECURLY_STATE_IN_TRIAL:
-        return t('Trial');
+        return $this->t('Trial');
 
       case RECURLY_STATE_LIVE:
-        return t('Live');
+        return $this->t('Live');
 
       case RECURLY_STATE_PAST_DUE:
-        return t('Past Due');
+        return $this->t('Past Due');
     }
   }
 
@@ -143,25 +143,25 @@ class RecurlyFormatManager {
     if ($count == 1) {
       switch ($unit) {
         case 'days':
-          return t('!amount per day', $replacements);
+          return $this->t('!amount per day', $replacements);
 
         case 'months':
-          return t('!amount per month', $replacements);
+          return $this->t('!amount per month', $replacements);
       }
     }
     elseif ($count == 7 && $unit == 'days') {
-      return t('!amount per week', $replacements);
+      return $this->t('!amount per week', $replacements);
     }
     elseif ($count == 12 && $unit == 'months') {
-      return t('!amount per year', $replacements);
+      return $this->t('!amount per year', $replacements);
     }
     else {
       switch ($unit) {
         case 'days':
-          return t('!amount every !count days', $replacements);
+          return $this->t('!amount every !count days', $replacements);
 
         case 'months':
-          return t('!amount every !count months', $replacements);
+          return $this->t('!amount every !count months', $replacements);
       }
     }
   }
@@ -172,16 +172,16 @@ class RecurlyFormatManager {
   public function formatTransactionStatus($status) {
     switch ($status) {
       case 'success':
-        return t('Successful payment');
+        return $this->t('Successful payment');
 
       case 'failed':
-        return t('Failed payment');
+        return $this->t('Failed payment');
 
       case 'voided':
-        return t('Voided');
+        return $this->t('Voided');
 
       case 'declined':
-        return t('Card declined');
+        return $this->t('Card declined');
 
       default:
         return SafeMarkup::checkPlain($status);