diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 34249bd030ed974eb5c6f930b4d330b55251b93b..540befba6805d9ccfb4c9ef0e545d19f651eb087 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -512,6 +512,7 @@ qemuHotplugDiskSourceDataFree(qemuHotplugDiskSourceDataPtr data)
     for (i = 0; i < data->nbackends; i++)
         qemuBlockStorageSourceAttachDataFree(data->backends[i]);
 
+    VIR_FREE(data->backends);
     VIR_FREE(data);
 }