diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index d5148f5815..972df572a7 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -2247,6 +2247,7 @@ qemuDomainAttachMemory(virQEMUDriver *driver,
     bool teardownlabel = false;
     bool teardowncgroup = false;
     bool teardowndevice = false;
+    bool restoreemulatorcgroup = false;
     g_autoptr(virJSONValue) props = NULL;
     virObjectEvent *event;
     int id;
@@ -2294,6 +2295,10 @@ qemuDomainAttachMemory(virQEMUDriver *driver,
     if (qemuDomainAdjustMaxMemLock(vm) < 0)
         goto removedef;
 
+    if (qemuProcessSetupEmulator(vm, true) < 0)
+        goto removedef;
+    restoreemulatorcgroup = true;
+
     qemuDomainObjEnterMonitor(vm);
     if (qemuMonitorAddObject(priv->mon, &props, NULL) < 0)
         goto exit_monitor;
@@ -2333,6 +2338,9 @@ qemuDomainAttachMemory(virQEMUDriver *driver,
             qemuDomainReleaseMemoryDeviceSlot(vm, mem);
     }
 
+    if (restoreemulatorcgroup)
+        qemuProcessSetupEmulator(vm, false);
+
     virDomainMemoryDefFree(mem);
     return ret;
 
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index ee11c72016..730e59eb7e 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -2701,7 +2701,7 @@ qemuProcessSetupPid(virDomainObj *vm,
 }
 
 
-static int
+int
 qemuProcessSetupEmulator(virDomainObj *vm,
                          bool unionMems)
 {
diff --git a/src/qemu/qemu_process.h b/src/qemu/qemu_process.h
index e0cbafda1d..1c4c0678ab 100644
--- a/src/qemu/qemu_process.h
+++ b/src/qemu/qemu_process.h
@@ -235,3 +235,6 @@ void qemuProcessCleanupMigrationJob(virQEMUDriver *driver,
 
 void qemuProcessRefreshDiskProps(virDomainDiskDef *disk,
                                  struct qemuDomainDiskInfo *info);
+
+int qemuProcessSetupEmulator(virDomainObj *vm,
+                             bool unionMems);