diff --git a/plugins/filter_log_to_metrics/log_to_metrics.c b/plugins/filter_log_to_metrics/log_to_metrics.c
index cb7f285d882..99b4034c142 100644
--- a/plugins/filter_log_to_metrics/log_to_metrics.c
+++ b/plugins/filter_log_to_metrics/log_to_metrics.c
@@ -268,10 +268,10 @@ static int set_labels(struct log_to_metrics_ctx *ctx,
             snprintf(label_keys[counter], MAX_LABEL_LENGTH - 1, "%s", kv->val);
             counter++;
         }
-        else if (strcasecmp(kv->key, "label") == 0) {
+        else if (strcasecmp(kv->key, "add_label") == 0) {
             split = flb_utils_split(kv->val, ' ', 1);
             if (mk_list_size(split) != 2) {
-                flb_plg_error(ctx->ins, "invalid label, expected name and key");
+                flb_plg_error(ctx->ins, "invalid add_label, expected name and key");
                 flb_utils_split_free(split);
                 return -1;
             }
diff --git a/tests/runtime/filter_log_to_metrics.c b/tests/runtime/filter_log_to_metrics.c
index b8c8dba1dc2..eb38af61ce4 100644
--- a/tests/runtime/filter_log_to_metrics.c
+++ b/tests/runtime/filter_log_to_metrics.c
@@ -669,7 +669,7 @@ void flb_test_log_to_metrics_label(void)
                          "metric_name", "test",
                          "metric_description", "Counts messages",
                          "kubernetes_mode", "off",
-                         "label", "pod_name $kubernetes['pod_name']",
+                         "add_label", "pod_name $kubernetes['pod_name']",
                          NULL);
 
     out_ffd = flb_output(ctx, (char *) "lib", (void *)&cb_data);