diff --git a/ext/opcache/shared_alloc_mmap.c b/ext/opcache/shared_alloc_mmap.c
index 3d2884e9488..c30a3b483c8 100644
--- a/ext/opcache/shared_alloc_mmap.c
+++ b/ext/opcache/shared_alloc_mmap.c
@@ -44,6 +44,9 @@ static int create_segments(size_t requested_size, zend_shared_segment ***shared_
 #ifdef PROT_MPROTECT
   flags |= PROT_MPROTECT(PROT_EXEC);
 #endif
+#ifdef PROT_MAX
+  flags |= PROT_MAX(PROT_READ | PROT_WRITE | PROT_EXEC);
+#endif
 #ifdef MAP_HUGETLB
 	size_t huge_page_size = 2 * 1024 * 1024;