diff --git a/cg/cg2102.h b/cg/cg2102.h
index 503104d77..2f0e1011d 100755
--- a/cg/cg2102.h
+++ b/cg/cg2102.h
@@ -124,6 +124,7 @@ protected:
   virtual int rewrite(const TMask& m);
   virtual bool remove();
   
+  void check_saldi();
   void genera_incasso(const char* causimm);
   
   TMask* load_mask(int n);