diff --git a/crpa/crpa0.cpp b/crpa/crpa0.cpp
index 7dac8b52b..c40cda5b5 100755
--- a/crpa/crpa0.cpp
+++ b/crpa/crpa0.cpp
@@ -159,7 +159,7 @@ void TIni2Sql::leggidadoc(const TString& elabfield, TString& tmpstr)
 				const bool acquisto = _doc->tipocf() == 'F';
 				if (acquisto)
   			{                     
-	  			TString80 codcms = _rigadoc->codice_commessa();
+	  			const TString& codcms = _rigadoc->codice_commessa();
 	  			non_rilevante = cache().get("CMS", codcms, "S7") == "NR";
 				}