diff --git a/qdev-monitor.c b/qdev-monitor.c
index bb3d8ba360..e61d596ef7 100644
--- a/qdev-monitor.c
+++ b/qdev-monitor.c
@@ -29,6 +29,7 @@
 #include "qemu/error-report.h"
 #include "qemu/help_option.h"
 #include "sysemu/block-backend.h"
+#include "migration/migration.h"
 
 /*
  * Aliases were a bad idea from the start.  Let's keep them
@@ -603,6 +604,11 @@ DeviceState *qdev_device_add(QemuOpts *opts, Error **errp)
         return NULL;
     }
 
+    if (!migration_is_idle()) {
+        error_setg(errp, "device_add not allowed while migrating");
+        return NULL;
+    }
+
     /* create device */
     dev = DEVICE(object_new(driver));
 
@@ -853,6 +859,11 @@ void qdev_unplug(DeviceState *dev, Error **errp)
         return;
     }
 
+    if (!migration_is_idle()) {
+        error_setg(errp, "device_del not allowed while migrating");
+        return;
+    }
+
     qdev_hot_removed = true;
 
     hotplug_ctrl = qdev_get_hotplug_handler(dev);