diff --git a/compiler/nbas.pas b/compiler/nbas.pas
index 5610bd153f..359b1bd69f 100644
--- a/compiler/nbas.pas
+++ b/compiler/nbas.pas
@@ -51,7 +51,9 @@ interface
        tspecializenode = class(tunarynode)
           sym:tsym;
           getaddr:boolean;
+          inheriteddef:tdef;
           constructor create(l:tnode;g:boolean;s:tsym);virtual;
+          constructor create_inherited(l:tnode;g:boolean;s:tsym;i:tdef);virtual;
           function pass_1:tnode;override;
           function pass_typecheck:tnode;override;
        end;
@@ -430,6 +432,12 @@ implementation
          getaddr:=g;
       end;
 
+    constructor tspecializenode.create_inherited(l:tnode;g:boolean;s:tsym;i:tdef);
+      begin
+        create(l,g,s);
+        inheriteddef:=i;
+      end;
+
 
     function tspecializenode.pass_typecheck:tnode;
       begin