diff --git a/ve/velib04f.cpp b/ve/velib04f.cpp
index af0d31909..b08f748fa 100755
--- a/ve/velib04f.cpp
+++ b/ve/velib04f.cpp
@@ -28,7 +28,9 @@ TObject* TCache_causali::key2obj(const char* key)
 {
 	TToken_string k = key;
 	const int year = k.get_int(1);
-  return new TCausale(k.get(0), year);
+	TString cod = k.get(0);
+	cod.trim();
+  return new TCausale(cod, year);
 }
 
 const TCausale& TCache_causali::causale(const TDocumento& doc)