diff --git a/sapi/fpm/fpm/fpm_main.c b/sapi/fpm/fpm/fpm_main.c
index 250c926563f0..3d35e942a06e 100644
--- a/sapi/fpm/fpm/fpm_main.c
+++ b/sapi/fpm/fpm/fpm_main.c
@@ -1494,7 +1494,7 @@ PHP_FUNCTION(fastcgi_finish_request) /* {{{ */
 }
 /* }}} */
 
-PHP_FUNCTION(apache_request_headers) /* {{{ */
+PHP_FUNCTION(fpm_request_headers) /* {{{ */
 {
 	fcgi_request *request;
 
diff --git a/sapi/fpm/fpm/fpm_main.stub.php b/sapi/fpm/fpm/fpm_main.stub.php
index 70cd27522391..8cd91dc9b908 100644
--- a/sapi/fpm/fpm/fpm_main.stub.php
+++ b/sapi/fpm/fpm/fpm_main.stub.php
@@ -4,9 +4,10 @@
 
 function fastcgi_finish_request(): bool {}
 
+/** @implementation-alias fpm_request_headers */
 function apache_request_headers(): array {}
 
-/** @alias apache_request_headers */
+/** @implementation-alias fpm_request_headers */
 function getallheaders(): array {}
 
 function fpm_get_status(): array|false {}
diff --git a/sapi/fpm/fpm/fpm_main_arginfo.h b/sapi/fpm/fpm/fpm_main_arginfo.h
index e612f160e760..0931c8c7adc3 100644
--- a/sapi/fpm/fpm/fpm_main_arginfo.h
+++ b/sapi/fpm/fpm/fpm_main_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit fpm_main.stub.php instead.
- * Stub hash: b4ac4c0f1d91c354293e21185a2e6d9f99cc9fcc */
+ * Stub hash: b9cdc331451e1f03af1faf6fc621a4ad62603ab0 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_fastcgi_finish_request, 0, 0, _IS_BOOL, 0)
 ZEND_END_ARG_INFO()
@@ -13,13 +13,13 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_fpm_get_status, 0, 0, MAY_BE_ARR
 ZEND_END_ARG_INFO()
 
 ZEND_FUNCTION(fastcgi_finish_request);
-ZEND_FUNCTION(apache_request_headers);
+ZEND_FUNCTION(fpm_request_headers);
 ZEND_FUNCTION(fpm_get_status);
 
 static const zend_function_entry ext_functions[] = {
 	ZEND_FE(fastcgi_finish_request, arginfo_fastcgi_finish_request)
-	ZEND_FE(apache_request_headers, arginfo_apache_request_headers)
-	ZEND_RAW_FENTRY("getallheaders", zif_apache_request_headers, arginfo_getallheaders, 0, NULL, NULL)
+	ZEND_RAW_FENTRY("apache_request_headers", zif_fpm_request_headers, arginfo_apache_request_headers, 0, NULL, NULL)
+	ZEND_RAW_FENTRY("getallheaders", zif_fpm_request_headers, arginfo_getallheaders, 0, NULL, NULL)
 	ZEND_FE(fpm_get_status, arginfo_fpm_get_status)
 	ZEND_FE_END
 };