diff --git a/weed/s3api/s3api_bucket_config.go b/weed/s3api/s3api_bucket_config.go
index 4f629023d..725ee3596 100644
--- a/weed/s3api/s3api_bucket_config.go
+++ b/weed/s3api/s3api_bucket_config.go
@@ -211,7 +211,7 @@ func (s3a *S3ApiServer) isVersioningEnabled(bucket string) (bool, error) {
 		if errCode == s3err.ErrNoSuchBucket {
 			return false, filer_pb.ErrNotFound
 		}
-		return false, fmt.Errorf("failed to get bucket config: %s", errCode)
+		return false, fmt.Errorf("failed to get bucket config: %v", errCode)
 	}
 
 	return config.Versioning == "Enabled", nil
diff --git a/weed/s3api/s3api_bucket_handlers.go b/weed/s3api/s3api_bucket_handlers.go
index 6e3688f44..e30f172a7 100644
--- a/weed/s3api/s3api_bucket_handlers.go
+++ b/weed/s3api/s3api_bucket_handlers.go
@@ -159,7 +159,7 @@ func (s3a *S3ApiServer) PutBucketHandler(w http.ResponseWriter, r *http.Request)
 		})
 
 		if errCode != s3err.ErrNone {
-			glog.Errorf("PutBucketHandler: failed to enable Object Lock for bucket %s: %s", bucket, errCode)
+			glog.Errorf("PutBucketHandler: failed to enable Object Lock for bucket %s: %v", bucket, errCode)
 			s3err.WriteErrorResponse(w, r, errCode)
 			return
 		}
diff --git a/weed/s3api/s3api_object_handlers_put.go b/weed/s3api/s3api_object_handlers_put.go
index 655bd405c..50d308566 100644
--- a/weed/s3api/s3api_object_handlers_put.go
+++ b/weed/s3api/s3api_object_handlers_put.go
@@ -438,7 +438,7 @@ func (s3a *S3ApiServer) applyBucketDefaultRetention(bucket string, entry *filer_
 	// Get bucket configuration (getBucketConfig handles caching internally)
 	bucketConfig, errCode := s3a.getBucketConfig(bucket)
 	if errCode != s3err.ErrNone {
-		return fmt.Errorf("failed to get bucket config: %s", errCode)
+		return fmt.Errorf("failed to get bucket config: %v", errCode)
 	}
 
 	// Check if bucket has cached Object Lock configuration