diff --git a/apps/logging/loki/values.yaml b/apps/logging/loki/values.yaml
index bf3009b..f69c095 100644
--- a/apps/logging/loki/values.yaml
+++ b/apps/logging/loki/values.yaml
@@ -96,6 +96,10 @@ loki:
   # Single binary configuration
   singleBinary:
     replicas: 1
+    
+    extraArgs:
+      - '-config.expand-env=true'
+    
     persistence:
       enabled: true
       storageClass: ceph-block