diff --git a/ba/f155.dir b/ba/f156.dir
similarity index 92%
rename from ba/f155.dir
rename to ba/f156.dir
index 817c594b8..46acc7a97 100755
--- a/ba/f155.dir
+++ b/ba/f156.dir
@@ -1,3 +1,3 @@
-155
+156
 0
 $multirel|0|0|96|0|Relazione molti a molti|||
diff --git a/ba/f155.trr b/ba/f156.trr
similarity index 97%
rename from ba/f155.trr
rename to ba/f156.trr
index 54af41044..642c98a97 100755
--- a/ba/f155.trr
+++ b/ba/f156.trr
@@ -1,4 +1,4 @@
-155
+156
 4
 COD|1|5|0|Codice relazione
 FIRST|1|20|0|Primo elemento