diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index 8ae933bc38..3cc0ea0f9a 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -314,6 +314,7 @@ DefinitionBlock (
 /****************************************************************
  * General purpose events
  ****************************************************************/
+    External(\_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
 
     Scope(\_GPE) {
         Name(_HID, "ACPI0006")
@@ -330,7 +331,9 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_L03) {
+        Method(_E03) {
+            // Memory hotplug event
+            \_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
         }
         Method(_L04) {
         }
diff --git a/hw/i386/q35-acpi-dsdt.dsl b/hw/i386/q35-acpi-dsdt.dsl
index fddc3b27ff..8c3eae73bf 100644
--- a/hw/i386/q35-acpi-dsdt.dsl
+++ b/hw/i386/q35-acpi-dsdt.dsl
@@ -410,6 +410,7 @@ DefinitionBlock (
 /****************************************************************
  * General purpose events
  ****************************************************************/
+    External(\_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD, MethodObj)
 
     Scope(\_GPE) {
         Name(_HID, "ACPI0006")
@@ -422,7 +423,9 @@ DefinitionBlock (
             // CPU hotplug event
             \_SB.PRSC()
         }
-        Method(_L03) {
+        Method(_E03) {
+            // Memory hotplug event
+            \_SB.PCI0.MEMORY_HOPTLUG_DEVICE.MEMORY_SLOT_SCAN_METHOD()
         }
         Method(_L04) {
         }