diff --git a/vmm/src/memory_manager.rs b/vmm/src/memory_manager.rs
index 87d510231..826575596 100644
--- a/vmm/src/memory_manager.rs
+++ b/vmm/src/memory_manager.rs
@@ -1265,7 +1265,7 @@ impl MemoryManager {
                 }
             }
             HotplugMethod::Acpi => {
-                if desired_ram >= self.current_ram {
+                if desired_ram > self.current_ram {
                     region =
                         Some(self.hotplug_ram_region((desired_ram - self.current_ram) as usize)?);
                     self.current_ram = desired_ram;