diff --git a/backup.sh b/backup.sh
old mode 100644
new mode 100755
index 13edbb9..38a5244
--- a/backup.sh
+++ b/backup.sh
@@ -1,7 +1,13 @@
 #!/bin/bash
 source env.sh
 echo "Backup $NAME at $DATE"
-BACKUP_CMD=restic backup $BACKUP_DIR $BACKUP_PARAMS -e $BACKUP_EXCLUSIONS
+BACKUP_CMD=restic backup $BACKUP_DIR
+if [[ $BACKUP_PARAMS ]]; then
+    BACKUP_CMD=$BACKUP_CMD $BACKUP_PARAMS
+fi
+if [[ $BACKUP_EXCLUDE_FILE ]]; then
+    BACKUP_CMD=$BACKUP_CMD --exclude-file $BACKUP_EXCLUDE_FILE
+fi
 running=$(pgrep -f "$BACKUP_CMD")
 if [[ $running ]]; then
     echo "Backup alreadying running : $running. Exiting..."
diff --git a/env.sample.sh b/env.sample.sh
old mode 100644
new mode 100755
diff --git a/init.sh b/init.sh
old mode 100644
new mode 100755
diff --git a/snapshots.sh b/snapshots.sh
old mode 100644
new mode 100755