diff --git a/CRM/Core/PseudoConstant.php b/CRM/Core/PseudoConstant.php
index 17dd76dbe1fb..4a86234f1f83 100644
--- a/CRM/Core/PseudoConstant.php
+++ b/CRM/Core/PseudoConstant.php
@@ -209,8 +209,10 @@ public static function get($daoName, $fieldName, $params = [], $context = NULL)
     }
 
     // Core field: load schema
-    $dao = new $daoName();
-    $fieldSpec = $dao->getFieldSpec($fieldName);
+    if (class_exists($daoName)) {
+      $dao = new $daoName();
+      $fieldSpec = $dao->getFieldSpec($fieldName);
+    }
 
     // Return false if field doesn't exist.
     if (empty($fieldSpec)) {