diff --git a/library/Icinga/Data/BaseQuery.php b/library/Icinga/Data/BaseQuery.php
index 4101b7b5c..ed51d657b 100644
--- a/library/Icinga/Data/BaseQuery.php
+++ b/library/Icinga/Data/BaseQuery.php
@@ -105,7 +105,7 @@ abstract class BaseQuery implements QueryInterface, Queryable
      * </code>
      *
      * @param  string   $field
-     * @param  int      $direction
+     * @param  string   $direction
      *
      * @return self
      */
diff --git a/library/Icinga/Data/Sortable.php b/library/Icinga/Data/Sortable.php
index 73dab5ecf..5445f508e 100644
--- a/library/Icinga/Data/Sortable.php
+++ b/library/Icinga/Data/Sortable.php
@@ -26,7 +26,7 @@ interface Sortable
      * </code>
      *
      * @param  string   $field
-     * @param  int      $direction
+     * @param  string   $direction
      *
      * @return self
      */