diff --git a/src/Query/AggregationQuery.php b/src/Query/AggregationQuery.php
index <HASH>..<HASH> 100644
--- a/src/Query/AggregationQuery.php
+++ b/src/Query/AggregationQuery.php
@@ -23,7 +23,7 @@ class AggregationQuery extends Query
      */
     public function setOperations(array $operations)
     {
-        $this->operastions = $operations;
+        $this->operations = $operations;
     }
 
     /**
bugfix: corrected property name typo in AggregationQuery