diff --git a/si/si0200.cpp b/si/si0200.cpp
index 149ed2fcd..83fc0e08a 100755
--- a/si/si0200.cpp
+++ b/si/si0200.cpp
@@ -127,40 +127,40 @@ void TListe_application::set_limits()
   c->setregion(from, to);
   TString filter;
   
-  filter << format("((33->ANNO == %d)", _select_mask->get_int(F_ANNO));
-  filter << format("&& (33->PROVV == %c)", _select_mask->get(F_PROVV)[0]);   
+  filter << format("((33->ANNO==%d)", _select_mask->get_int(F_ANNO));
+  filter << format("&& (33->PROVV==\"%c\")", _select_mask->get(F_PROVV)[0]);   
   TSheet_field & s = _select_mask->sfield(F_SHEETNUMS);   
   const int rows = s.items();
   
   for (int i = 0; i < rows; i++)
   {
-    TString numfilter("&& (");
+    TString numfilter("&&(");
     TToken_string r = s.row(i);
     
-    numfilter << format("33->CODNUM == %s", (const char *)r.get(0));
+    numfilter << format("(33->CODNUM==\"%s\")", (const char *)r.get(0));
   
     for (int j = 0; j < 6; j++)
     {
       const int stato = r.get_int();
       
       if (stato > 0)
-        numfilter << format("&& (33->STATO == %d)", stato);
+        numfilter << format("&&(33->STATO==%d)", stato);
     }
     if (numfilter.not_empty())
       filter << numfilter;
   }
   TDate data_fr(_select_mask->get(F_DA_DATADOC));
   if (data_fr.ok())
-    filter << format("&& (33->DATADOC >= %s)", (const char *) data_fr.string(ANSI));
+    filter << format("&&(ANSI(33->DATADOC)>=%s)", (const char *) data_fr.string(ANSI));
   TDate data_to(_select_mask->get(F_A_DATADOC));
   if (data_to.ok())
-    filter << format("&& (33->DATADOC >= %s)", (const char *) data_to.string(ANSI));
+    filter << format("&&(ANSI(33->DATADOC)>=%s)", (const char *) data_to.string(ANSI));
   TDate art_fr(_select_mask->get(F_DA_DATADOC));
   if (art_fr.ok())
-    filter << format("&& (34->CODARTMAG >= %s)", (const char *) art_fr);
+    filter << format("&&(34->CODARTMAG>=\"%s\")", (const char *) art_fr);
   TDate art_to(_select_mask->get(F_A_DATADOC));
   if (art_to.ok())
-    filter << format("&& (34->CODARTMAG >= %s)", (const char *) art_to);
+    filter << format("&&(34->CODARTMAG>=\"%s\")", (const char *) art_to);
   filter << ")";     
   
   c->setfilter(filter, TRUE);