diff --git a/src/lighteval/tasks/lighteval_task.py b/src/lighteval/tasks/lighteval_task.py
index b84d421a6..54440be24 100644
--- a/src/lighteval/tasks/lighteval_task.py
+++ b/src/lighteval/tasks/lighteval_task.py
@@ -32,7 +32,7 @@
 
 from lighteval.metrics.metrics import Metrics
 from lighteval.metrics.metrics_sample import SamplingMetric
-from lighteval.metrics.utils.metric_utils import Metric
+from lighteval.metrics.utils.metric_utils import Metric, MetricGrouping
 from lighteval.tasks.prompt_manager import FewShotSampler
 from lighteval.tasks.requests import (
     Doc,
@@ -167,14 +167,27 @@ def __str__(self, lite: bool = False):
                 continue
             if k == "metrics":
                 for ix, metrics in enumerate(v):
+                    is_metric_grouping = False
+                    if isinstance(getattr(self, k)[ix], MetricGrouping):
+                        is_metric_grouping = True
                     for metric_k, metric_v in metrics.items():
-                        if isinstance(metric_v, Callable):
-                            repr_v = metric_v.__name__
-                        elif isinstance(metric_v, Metric.get_allowed_types_for_metrics()):
-                            repr_v = str(metric_v)
+                        if is_metric_grouping and isinstance(metric_v, dict):
+                            for metric_sub_k, metric_sub_v in metric_v.items():
+                                if isinstance(metric_sub_v, Callable):
+                                    repr_v = metric_sub_v.__name__
+                                elif isinstance(metric_sub_v, Metric.get_allowed_types_for_metrics()):
+                                    repr_v = str(metric_sub_v)
+                                else:
+                                    repr_v = repr(metric_sub_v)
+                                values.append([f"{k} {ix}: {metric_k}: {metric_sub_k}", repr_v])
                         else:
-                            repr_v = repr(metric_v)
-                        values.append([f"{k} {ix}: {metric_k}", repr_v])
+                            if isinstance(metric_v, Callable):
+                                repr_v = metric_v.__name__
+                            elif isinstance(metric_v, Metric.get_allowed_types_for_metrics()):
+                                repr_v = str(metric_v)
+                            else:
+                                repr_v = repr(metric_v)
+                            values.append([f"{k} {ix}: {metric_k}", repr_v])
 
             else:
                 if isinstance(v, Callable):