diff --git a/samples/model_config/dssm_neg_sampler_need_key_feature.config b/samples/model_config/dssm_neg_sampler_need_key_feature.config
index f1b52031d..ea7cc8342 100644
--- a/samples/model_config/dssm_neg_sampler_need_key_feature.config
+++ b/samples/model_config/dssm_neg_sampler_need_key_feature.config
@@ -24,8 +24,7 @@ train_config {
 
 eval_config {
   metrics_set: {
-    auc {
-    }
+    recall_at_topk { topk: 3 }
   }
   # currently not supported
   # metrics_set: {
diff --git a/samples/model_config/dssm_neg_sampler_sequence_feature.config b/samples/model_config/dssm_neg_sampler_sequence_feature.config
index 6038b8952..5ce0af37f 100644
--- a/samples/model_config/dssm_neg_sampler_sequence_feature.config
+++ b/samples/model_config/dssm_neg_sampler_sequence_feature.config
@@ -24,8 +24,7 @@ train_config {
 
 eval_config {
   metrics_set: {
-    auc {
-    }
+    recall_at_topk { topk: 3 }
   }
   # currently not supported
   # metrics_set: {