diff --git a/debian/changelog b/debian/changelog
index 8d367f1..6e0fc21 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+remote-backup (1.2.2) stable; urgency=low
+
+  * fix rotation
+
+ -- Vincent Riquer <v.riquer@b2f-concept.com>  Fri, 03 Feb 2012 10:45:45 +0100
+
 remote-backup (1.2.1) stable; urgency=low
 
   * add TIMEOUT parameter (defaults to 1800 seconds).
diff --git a/remote-backup b/remote-backup
index a0639a4..8b7cb87 100755
--- a/remote-backup
+++ b/remote-backup
@@ -141,12 +141,12 @@ rotateBackup() {
 		fi
 
 # step 2: shift the snapshots(s) back by one, if they exist
-		for backup_number in {$((${MAX_ROTATE}-1))..0}
+		for (( backup_num=$MAX_ROTATE ; backup_num >= 0 ; backup_num-- ))
 		do
-			if [ -d "$SNAPSHOT_RW/$NAME/daily.${backup_number}" ]
+			if [ -d "$SNAPSHOT_RW/$NAME/daily.${backup_num}" ]
 			then
-				$MV -f "$SNAPSHOT_RW/$NAME/daily.${backup_number}" \
-					"$SNAPSHOT_RW/$NAME/daily.$((${backup_number}+1))"
+				$MV -f "$SNAPSHOT_RW/$NAME/daily.${backup_num}" \
+					"$SNAPSHOT_RW/$NAME/daily.$(( backup_num + 1 ))"
 			fi
 		done
 	fi