diff --git a/pardef.c b/pardef.c
index 216d908..60d3b51 100644
--- a/pardef.c
+++ b/pardef.c
@@ -1549,6 +1549,7 @@ void *ParMake(SConnection * con, char *name, ParClass * class,
   o->desc = CreateDescriptor(class->name);
   assert(o->desc);
   o->desc->SaveStatus = ParSaveAll;
+  SetDescriptorKey(o->desc, "pardef", "1");
   o->creationCmd = creationCmd;
   o->pCall = NULL;
   o->logTime = 0;