diff --git a/src/Issue/IssueSearchResult.php b/src/Issue/IssueSearchResult.php
index 3a4370d..83239f5 100644
--- a/src/Issue/IssueSearchResult.php
+++ b/src/Issue/IssueSearchResult.php
@@ -40,7 +40,7 @@ public function getIsLast()
      */
     public function setIsLast($isLast)
     {
-        return $this->isLast;
+        return $this->isLast = $isLast;
     }
 
     /**