diff --git a/roles/init/defaults/main.yml b/roles/init/defaults/main.yml
index 369edf8..cfdabd2 100644
--- a/roles/init/defaults/main.yml
+++ b/roles/init/defaults/main.yml
@@ -11,6 +11,7 @@ pleroma_defaults:
     registrationsOpen: "false"
     dynamicConfiguration: "false"
     healthCheck: "true"
+    remotePostRetentionDays: 90
     logLevel: info
     federating: "true"
     frontend:
diff --git a/roles/pleroma-backend/templates/etc_pleroma_config.exs.j2 b/roles/pleroma-backend/templates/etc_pleroma_config.exs.j2
index 983123e..d76e7a6 100644
--- a/roles/pleroma-backend/templates/etc_pleroma_config.exs.j2
+++ b/roles/pleroma-backend/templates/etc_pleroma_config.exs.j2
@@ -22,6 +22,7 @@ config :pleroma, :instance,
   limit: {{ pleroma.config.characterLimit }},
   registrations_open: {{ pleroma.config.registrationsOpen }},
   healthcheck: {{ pleroma.config.healthCheck }},
+  remote_post_retention_days: {{ pleroma.config.remotePostRetentionDays }},
   dynamic_configuration: {{ pleroma.config.dynamicConfiguration }},
   federating: {{ pleroma.config.federating }}