diff --git a/assets/lib/APIHelpers.class.php b/assets/lib/APIHelpers.class.php
index 4113a67a96..54727628b3 100644
--- a/assets/lib/APIHelpers.class.php
+++ b/assets/lib/APIHelpers.class.php
@@ -3,7 +3,7 @@
 /**
  * Class APIhelpers
  */
-if (!class_exists(APIhelpers)) {
+if (!class_exists('APIhelpers')) {
 
 class APIhelpers
 {