diff --git a/ext/soap/config.m4 b/ext/soap/config.m4
index 8e5fdd4ebcd..879035f3341 100644
--- a/ext/soap/config.m4
+++ b/ext/soap/config.m4
@@ -4,14 +4,10 @@ PHP_ARG_ENABLE([soap],
     [Enable SOAP support])])
 
 if test "$PHP_SOAP" != "no"; then
-
-  if test "$PHP_LIBXML" = "no"; then
-    AC_MSG_ERROR([SOAP extension requires LIBXML extension, add --with-libxml])
-  fi
-
   PHP_SETUP_LIBXML(SOAP_SHARED_LIBADD, [
     AC_DEFINE(HAVE_SOAP,1,[ ])
     PHP_NEW_EXTENSION(soap, soap.c php_encoding.c php_http.c php_packet_soap.c php_schema.c php_sdl.c php_xml.c, $ext_shared,, -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1)
     PHP_SUBST(SOAP_SHARED_LIBADD)
   ])
+  PHP_ADD_EXTENSION_DEP(soap, libxml)
 fi
diff --git a/ext/soap/soap.c b/ext/soap/soap.c
index e7be6640e81..b42917f8ad1 100644
--- a/ext/soap/soap.c
+++ b/ext/soap/soap.c
@@ -297,6 +297,7 @@ PHP_MINFO_FUNCTION(soap);
 
 static const zend_module_dep soap_deps[] = {
 	ZEND_MOD_REQUIRED("date")
+	ZEND_MOD_REQUIRED("libxml")
 	ZEND_MOD_END
 };