diff --git a/lib/cmdlib.py b/lib/cmdlib.py
index 87539838231539f1cf82cc5b50f103ddc63c6297..9b76897e3007d75b3b28f238d665f77304b73f6b 100644
--- a/lib/cmdlib.py
+++ b/lib/cmdlib.py
@@ -8078,6 +8078,7 @@ class LUQueryInstanceData(NoHooksLU):
         "os": instance.os,
         # this happens to be the same format used for hooks
         "nics": _NICListToTuple(self, instance.nics),
+        "disk_template": instance.disk_template,
         "disks": disks,
         "hypervisor": instance.hypervisor,
         "network_port": instance.network_port,