diff --git a/at/atconvoc.frm b/at/atconvoc.frm
index a44e52dbe..867d50308 100755
--- a/at/atconvoc.frm
+++ b/at/atconvoc.frm
@@ -1,6 +1,9 @@
 USE 115
-JOIN 116 INTO NUMERO==NUMERO
+SORT 116 BY 90->CODSEZ 90->CODSOT 90->COGNOME 90->NOME DATACONV
+USING 90 INTO CODICE==CODICE
+JOIN TO 115 KEY 1 INTO NUMERO==NUMERO
 JOIN 90 TO 116 INTO CODICE==CODICE
+
 END
 
 DESCRIPTION