diff --git a/ext/standard/proc_open.c b/ext/standard/proc_open.c
index 54a523a42919..ed01405e840e 100644
--- a/ext/standard/proc_open.c
+++ b/ext/standard/proc_open.c
@@ -845,7 +845,7 @@ static zend_result set_proc_descriptor_to_blackhole(descriptorspec_item *desc)
 {
 #ifdef PHP_WIN32
 	desc->childend = CreateFileA("nul", GENERIC_READ | GENERIC_WRITE,
-		FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
+		FILE_SHARE_READ | FILE_SHARE_WRITE, &php_proc_open_security, OPEN_EXISTING, 0, NULL);
 	if (desc->childend == INVALID_HANDLE_VALUE) {
 		php_error_docref(NULL, E_WARNING, "Failed to open nul");
 		return FAILURE;