diff --git a/lv/lv2900.cpp b/lv/lv2900.cpp
index ff235eac8..6a4c5692c 100755
--- a/lv/lv2900.cpp
+++ b/lv/lv2900.cpp
@@ -482,7 +482,7 @@ bool TConta_pulito_msk::on_field_event(TOperable_field& f,TField_event e,long jo
           const char provv = kd.provv();
 
           //lancia la stampa dei documenti ve1 -2 per ogni documento preparato
-          TString str;
+          TString80 str;
           str << "ve1 -2 " << codnum << ' ' << anno << ' ' << provv << ' '; 
           
           FOR_EACH_ASSOC_OBJECT(documenti, obj, key, itm)
@@ -490,10 +490,11 @@ bool TConta_pulito_msk::on_field_event(TOperable_field& f,TField_event e,long jo
             TDoc_key kdoc(key);
             const int ndoc = kdoc.ndoc();
 
-            str.cut(18);
-            str << ndoc << ' ' << ndoc << " S";          
+            TString80 lcom = str;
+            lcom << ndoc << " S";          
             
-            TExternal_app stampa(str);
+            TExternal_app stampa(lcom);
+            stampa.run();
           }
         }
         message_box(TR("Generazione dei documenti terminata"));