diff --git a/src/include01/maskfld.cpp b/src/include01/maskfld.cpp
index 46c897943..454096638 100644
--- a/src/include01/maskfld.cpp
+++ b/src/include01/maskfld.cpp
@@ -2315,7 +2315,7 @@ bool TEdit_field::parse_item(TScanner& scanner)
       const TString& k = scanner.pop();
       key = atoi(k);
       
-      const int maxkey = r ? r->curr().rec_des().nkeys() : MAX_KEYS;
+      const int maxkey = r ? r->curr().rec_des().NKeys : MAX_KEYS;
       if (key <= 0 || key > maxkey)
       {
 #ifdef DBG