diff --git a/_machines/hera-tasks.yml b/_machines/hera-tasks.yml
index 175fac5..b206b2d 100644
--- a/_machines/hera-tasks.yml
+++ b/_machines/hera-tasks.yml
@@ -222,7 +222,7 @@
 
           run forget restic-cmd \
               forget \
-              --prune
+              --prune \
               --keep-daily 30 \
               --keep-monthly 12 \
               --keep-yearly 3