diff --git a/valid.c b/valid.c
index 952284e..fe13778 100644
--- a/valid.c
+++ b/valid.c
@@ -3661,6 +3661,7 @@
     /*
      * The first entry in the stack is reserved to the current state
      */
+    ctxt->nodeTab = NULL;
     ctxt->vstate = &ctxt->vstateTab[0];
     ctxt->vstateNr = 1;
     CONT = cont;