diff --git a/NEWS b/NEWS
index aa558bbe116..864a6b2e189 100644
--- a/NEWS
+++ b/NEWS
@@ -94,6 +94,9 @@ PHP                                                                        NEWS
     overflows. (David Carlier)
   . socket_addrinfo_lookup throws an exception if one or more hints entries
     has an index as numeric. (David Carlier)
+  . socket_set_option with the options MCAST_LEAVE_GROUP/MCAST_LEAVE_SOURCE_GROUP
+    will throw an exception if its value is not a valid array/object.
+    (David Carlier)
 
 - Standard:
   . Fixed crypt() tests on musl when using --with-external-libcrypt
diff --git a/UPGRADING b/UPGRADING
index 8e56a593119..63307556848 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -131,6 +131,9 @@ PHP 8.5 UPGRADE NOTES
   . socket_addrinfo_lookup throw a TypeError if any of the hints
     values cannot be cast to a int and can throw a ValueError if
     any of these values overflow.
+  . socket_set_option with MCAST_LEAVE_GROUP/MCAST_LEAVE_SOURCE_GROUP
+    options will throw an exception if the value isn't a valid object
+    or array.
 
 - Zlib:
   . The "use_include_path" argument for the
diff --git a/ext/sockets/multicast.c b/ext/sockets/multicast.c
index e258ca3e66e..06bc03e7f20 100644
--- a/ext/sockets/multicast.c
+++ b/ext/sockets/multicast.c
@@ -159,8 +159,16 @@ mcast_req_fun: ;
 			php_sockaddr_storage	group = {0};
 			socklen_t				glen;
 
-			convert_to_array(arg4);
-			opt_ht = Z_ARRVAL_P(arg4);
+			if (Z_TYPE_P(arg4) != IS_ARRAY) {
+				if (UNEXPECTED(Z_TYPE_P(arg4) != IS_OBJECT)) {
+					zend_argument_type_error(4, "must be of type array when argument #3 ($option) is MCAST_LEAVE_GROUP, %s given", zend_zval_value_name(arg4));
+					return FAILURE;
+				} else {
+					opt_ht = Z_OBJPROP_P(arg4);
+				}
+			} else {
+				opt_ht = Z_ARRVAL_P(arg4);
+			}
 
 			if (php_get_address_from_array(opt_ht, "group", php_sock, &group,
 				&glen) == FAILURE) {
@@ -194,9 +202,16 @@ mcast_req_fun: ;
 									source = {0};
 			socklen_t				glen,
 									slen;
-
-			convert_to_array(arg4);
-			opt_ht = Z_ARRVAL_P(arg4);
+			if (Z_TYPE_P(arg4) != IS_ARRAY) {
+				if (UNEXPECTED(Z_TYPE_P(arg4) != IS_OBJECT)) {
+					zend_argument_type_error(4, "must be of type array when argument #3 ($option) is MCAST_LEAVE_SOURCE_GROUP, %s given", zend_zval_value_name(arg4));
+					return FAILURE;
+				} else {
+					opt_ht = Z_OBJPROP_P(arg4);
+				}
+			} else {
+				opt_ht = Z_ARRVAL_P(arg4);
+			}
 
 			if (php_get_address_from_array(opt_ht, "group", php_sock, &group,
 					&glen) == FAILURE) {
diff --git a/ext/sockets/tests/socket_set_option_mcast_error.phpt b/ext/sockets/tests/socket_set_option_mcast_error.phpt
new file mode 100644
index 00000000000..0d7630fb279
--- /dev/null
+++ b/ext/sockets/tests/socket_set_option_mcast_error.phpt
@@ -0,0 +1,36 @@
+--TEST--
+Multicast error
+--EXTENSIONS--
+sockets
+--SKIPIF--
+<?php
+if (PHP_OS == 'Darwin') die('skip Not for macOS');
+?>
+--FILE--
+<?php
+include __DIR__."/mcast_helpers.php.inc";
+$domain = AF_INET;
+$level = IPPROTO_IP;
+$interface = "lo";
+$mcastaddr = '224.0.0.23';
+$sblock = "127.0.0.1";
+
+$s = socket_create($domain, SOCK_DGRAM, SOL_UDP);
+$b = socket_bind($s, '0.0.0.0', 0);
+$iwanttoleavenow = true;
+
+try {
+	socket_set_option($s, $level, MCAST_LEAVE_GROUP, $iwanttoleavenow);
+} catch (\TypeError $e) {
+	echo $e->getMessage(), PHP_EOL;
+}
+
+try {
+	socket_set_option($s, $level, MCAST_LEAVE_SOURCE_GROUP, $iwanttoleavenow);
+} catch (\TypeError $e) {
+	echo $e->getMessage();
+}
+?>
+--EXPECT--
+socket_set_option(): Argument #4 ($value) must be of type array when argument #3 ($option) is MCAST_LEAVE_GROUP, true given
+socket_set_option(): Argument #4 ($value) must be of type array when argument #3 ($option) is MCAST_LEAVE_SOURCE_GROUP, true given