diff --git a/src/backup.sh b/src/backup.sh
index 36cb877..ad68681 100755
--- a/src/backup.sh
+++ b/src/backup.sh
@@ -18,4 +18,4 @@ done
 
 restic --verbose backup "/backup"
 
-restic --verbose prune --keep-last 3
+restic forget --keep-last 3 --prune