diff --git a/src/Support/Context.php b/src/Support/Context.php
index a8e261061..baeec1019 100644
--- a/src/Support/Context.php
+++ b/src/Support/Context.php
@@ -42,7 +42,7 @@ public function add($key, $value, $k = null)
     {
         $results = $this->getArray($key);
 
-        if ($k !== null) {
+        if ($k === null) {
             $results[] = $value;
         } else {
             $results[$k] = $value;