diff --git a/imageroot/actions/configure-module/20configure b/imageroot/actions/configure-module/20configure
index 5e5a2c4..e7a8bda 100755
--- a/imageroot/actions/configure-module/20configure
+++ b/imageroot/actions/configure-module/20configure
@@ -71,6 +71,7 @@ with open('promtail.env', 'w') as promtail:
 with open('loki.env', 'w') as lfp:
     lfp.write(f"LOKI_HTTP_PORT={ports[5]}\n")
     lfp.write(f"LOKI_GRPC_PORT={ports[5]}\n")
+    lfp.write(f"LOKI_RETENTION={request.get('loki_rentention', '180d')}\n")
 
 with open('grafana.env', 'w') as gfp:
     pass
diff --git a/imageroot/etc/loki.yaml b/imageroot/etc/loki.yaml
index 20cfb37..c3617e9 100644
--- a/imageroot/etc/loki.yaml
+++ b/imageroot/etc/loki.yaml
@@ -24,7 +24,7 @@ query_range:
         max_size_mb: 100
 
 limits_config:
-  retention_period: 168h
+  retention_period: ${LOKI_RETENTION}
 
 compactor:
   working_directory: /data/retention