diff --git a/api/v3/Sms/Send.php b/api/v3/Sms/Send.php
index 45b6360..4b77e86 100644
--- a/api/v3/Sms/Send.php
+++ b/api/v3/Sms/Send.php
@@ -22,7 +22,7 @@ function _civicrm_api3_sms_Send_spec(&$spec) {
  * @return array API result descriptor
  * @see civicrm_api3_create_success
  * @see civicrm_api3_create_error
- * @throws API_Exception
+ * @throws CRM_Core_Exception
  */
 function civicrm_api3_sms_Send($params) {
   $smsProviderId = array_key_exists('sms_provider_id', $params) ? $params['sms_provider_id'] : NULL;
diff --git a/api/v3/Smsinbound/Get.php b/api/v3/Smsinbound/Get.php
index c8ab1f6..cf750e1 100644
--- a/api/v3/Smsinbound/Get.php
+++ b/api/v3/Smsinbound/Get.php
@@ -23,7 +23,7 @@ function _civicrm_api3_smsinbound_Get_spec(&$spec) {
  *
  * @see civicrm_api3_create_success
  *
- * @throws API_Exception
+ * @throws CRM_Core_Exception
  */
 function civicrm_api3_smsinbound_Get($params) {
   // Run a sanity check on input parameters.
@@ -34,7 +34,7 @@ function civicrm_api3_smsinbound_Get($params) {
     foreach($keys as $key) {
       if (array_key_exists($key, $options)) {
         if (!is_numeric($options[$key])) {
-          throw new API_Exception(E::ts("The %1 option must be numeric.", array(1 => $key)), 'type_error');
+          throw new CRM_Core_Exception(E::ts("The %1 option must be numeric.", array(1 => $key)), 'type_error');
         }
         $options[$key] = intval($options[$key]);
       }
diff --git a/api/v3/Smsinbound/Updatestate.php b/api/v3/Smsinbound/Updatestate.php
index 271252e..bc22ecf 100644
--- a/api/v3/Smsinbound/Updatestate.php
+++ b/api/v3/Smsinbound/Updatestate.php
@@ -24,7 +24,7 @@ function _civicrm_api3_smsinbound_Updatestate_spec(&$spec) {
  *
  * @see civicrm_api3_create_success
  *
- * @throws API_Exception
+ * @throws CRM_Core_Exception
  */
 function civicrm_api3_smsinbound_Updatestate($params) {
   return civicrm_api3_create_success(CRM_Smsinbox_SmsInbound::update_state($params['activity_id'], $params['read_status']), $params, 'SmsInbound', 'Updatestate');
diff --git a/tests/phpunit/CRM/UtilsTest.php b/tests/phpunit/CRM/UtilsTest.php
index e108296..b9d658d 100644
--- a/tests/phpunit/CRM/UtilsTest.php
+++ b/tests/phpunit/CRM/UtilsTest.php
@@ -55,7 +55,7 @@ public function testGetAddressCoordinatesWithException() {
       CRM_Bedsafe_Utils::getAddressCoordinatesWithException($testContact['id']);
       $this->fail('This should have asserted.');
     }
-    catch (CiviCRM_API3_Exception $exception) {
+    catch (CRM_Core_Exception $exception) {
       $this->assertEquals(0, $exception->getCode());
     }