diff --git a/entity_api.inc b/entity_api.inc
index 0c65421..a37bfc3 100644
--- a/entity_api.inc
+++ b/entity_api.inc
@@ -37,7 +37,7 @@ class MigrateDestinationEntityAPI extends MigrateDestinationEntity {
    * @param string $entity_type
    *   A Drupal entity type.
    */
-  static public function getKeySchema($entity_type = NULL) {
+  public function getKeySchema($entity_type = NULL) {
     // Migrate UI invokes $destination->getKeySchema() without any parameters.
     if (!$entity_type) {
       if (isset($this)) {