diff --git a/resources/functionMap_php84delta.php b/resources/functionMap_php84delta.php
index fe719fce15..365f24a726 100644
--- a/resources/functionMap_php84delta.php
+++ b/resources/functionMap_php84delta.php
@@ -19,6 +19,7 @@
 		'http_clear_last_response_headers' => ['void'],
 		'mb_lcfirst' => ['string', 'string'=>'string', 'encoding='=>'string'],
 		'mb_ucfirst' => ['string', 'string'=>'string', 'encoding='=>'string'],
+		'fpow' => ['float', 'num'=>'float', 'exponent'=>'float'],
 	],
 	'old' => [