diff --git a/vmm/src/memory_manager.rs b/vmm/src/memory_manager.rs
index 400fcaad2..48d7626cf 100644
--- a/vmm/src/memory_manager.rs
+++ b/vmm/src/memory_manager.rs
@@ -494,10 +494,7 @@ impl MemoryManager {
                     file_offset,
                     region_start,
                     region_size,
-                    match prefault {
-                        Some(pf) => pf,
-                        None => zone.prefault,
-                    },
+                    prefault.unwrap_or(zone.prefault),
                     zone.shared,
                     zone.hugepages,
                     zone.hugepage_size,
@@ -573,10 +570,7 @@ impl MemoryManager {
                         guest_ram_mapping.file_offset,
                         GuestAddress(guest_ram_mapping.gpa),
                         guest_ram_mapping.size as usize,
-                        match prefault {
-                            Some(pf) => pf,
-                            None => zone_config.prefault,
-                        },
+                        prefault.unwrap_or(zone_config.prefault),
                         zone_config.shared,
                         zone_config.hugepages,
                         zone_config.hugepage_size,
@@ -997,10 +991,7 @@ impl MemoryManager {
                                 0,
                                 start_addr,
                                 hotplug_size as usize,
-                                match prefault {
-                                    Some(pf) => pf,
-                                    None => zone.prefault,
-                                },
+                                prefault.unwrap_or(zone.prefault),
                                 zone.shared,
                                 zone.hugepages,
                                 zone.hugepage_size,