diff --git a/tests/FunctionCallTest.php b/tests/FunctionCallTest.php
index ef7ae03d8..c576fe327 100644
--- a/tests/FunctionCallTest.php
+++ b/tests/FunctionCallTest.php
@@ -2033,6 +2033,20 @@ class FunctionCallTest extends TestCase
                     }
                 ',
             ],
+            'getHeadersAssociativeIn8x' => [
+                'code' => '<?php
+                    $a = get_headers("https://psalm.dev", true);',
+                'assertions' => [],
+                'ignored_issues' => [],
+                'php_version' => '8.0',
+            ],
+            'getHeadersAssociativeIn7x' => [
+                'code' => '<?php
+                    $a = get_headers("https://psalm.dev", 0);',
+                'assertions' => [],
+                'ignored_issues' => [],
+                'php_version' => '7.0',
+            ],
         ];
     }