diff --git a/ext/ldap/ldap.stub.php b/ext/ldap/ldap.stub.php
index eb790d483fa0c..987c1120b9faf 100644
--- a/ext/ldap/ldap.stub.php
+++ b/ext/ldap/ldap.stub.php
@@ -293,7 +293,7 @@ function ldap_exop_passwd($ldap, string $user = "", string $old_password = "", s
 
 #ifdef HAVE_LDAP_WHOAMI_S
 /** @param resource $ldap */
-function ldap_exop_whoami($ldap): string|bool {}
+function ldap_exop_whoami($ldap): string|false {}
 #endif
 
 #ifdef HAVE_LDAP_REFRESH_S
diff --git a/ext/ldap/ldap_arginfo.h b/ext/ldap/ldap_arginfo.h
index c7aef8ae228ac..f235aa1f89977 100644
--- a/ext/ldap/ldap_arginfo.h
+++ b/ext/ldap/ldap_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 980ee25422e1b026259d63e7a61adea699751b86 */
+ * Stub hash: 836e18943977613fc0abf7443ad4d5afdbe65a0a */
 
 #if defined(HAVE_ORALDAP)
 ZEND_BEGIN_ARG_INFO_EX(arginfo_ldap_connect, 0, 0, 0)
@@ -313,7 +313,7 @@ ZEND_END_ARG_INFO()
 #endif
 
 #if defined(HAVE_LDAP_WHOAMI_S)
-ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_ldap_exop_whoami, 0, 1, MAY_BE_STRING|MAY_BE_BOOL)
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_ldap_exop_whoami, 0, 1, MAY_BE_STRING|MAY_BE_FALSE)
 	ZEND_ARG_INFO(0, ldap)
 ZEND_END_ARG_INFO()
 #endif