diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index e98820c630ed..924e60deaa40 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -412,6 +412,7 @@ PHP_MINIT_FUNCTION(soap)
 	memcpy(&soap_server_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
 	soap_server_object_handlers.offset = XtOffsetOf(soap_server_object, std);
 	soap_server_object_handlers.free_obj = soap_server_object_free;
+	soap_server_object_handlers.clone_obj = NULL;
 
 	/* Register SoapFault class */
 	soap_fault_class_entry = register_class_SoapFault(zend_ce_exception);
diff --git a/ext/soap/tests/bugs/gh16237.phpt b/ext/soap/tests/bugs/gh16237.phpt
new file mode 100644
index 000000000000..468f2794399e
--- /dev/null
+++ b/ext/soap/tests/bugs/gh16237.phpt
@@ -0,0 +1,17 @@
+--TEST--
+GH-16237 (Segmentation fault when cloning SoapServer)
+--EXTENSIONS--
+soap
+--FILE--
+<?php
+
+$server = new SoapServer(null, ['uri'=>"http://testuri.org"]);
+try {
+    clone $server;
+} catch (Error $e) {
+    echo $e->getMessage(), "\n";
+}
+
+?>
+--EXPECT--
+Trying to clone an uncloneable object of class SoapServer