diff --git a/src/lighteval/tasks/lighteval_task.py b/src/lighteval/tasks/lighteval_task.py
index 5e9bac215..6fda6a404 100644
--- a/src/lighteval/tasks/lighteval_task.py
+++ b/src/lighteval/tasks/lighteval_task.py
@@ -159,6 +159,19 @@ def __post_init__(self):
         self.stop_sequence = self.stop_sequence if self.stop_sequence is not None else ()
         self.full_name = f"{self.name}|{self.num_fewshots}"  # todo clefourrier: this is likely incorrect
 
+    @staticmethod
+    def _repr_metric_value(v):
+        if isinstance(v, functools.partial):
+            func_name = getattr(v.func, "__name__", str(v.func))
+            return f"partial({func_name}, ...)"
+        if isinstance(v, dict):
+            return repr({key: LightevalTaskConfig._repr_metric_value(val) for key, val in v.items()})
+        if isinstance(v, Callable):
+            return getattr(v, "__name__", repr(v))
+        if isinstance(v, Metric.get_allowed_types_for_metrics()):
+            return str(v)
+        return repr(v)
+
     def __str__(self, lite: bool = False):  # noqa: C901
         md_writer = MarkdownTableWriter()
         md_writer.headers = ["Key", "Value"]
@@ -174,16 +187,7 @@ def __str__(self, lite: bool = False):  # noqa: C901
             if k == "metrics":
                 for ix, metrics in enumerate(v):
                     for metric_k, metric_v in metrics.items():
-                        if isinstance(metric_v, functools.partial):
-                            func_name = getattr(metric_v.func, "__name__", str(metric_v.func))
-                            repr_v = f"partial({func_name}, ...)"
-                        elif isinstance(metric_v, Callable):
-                            repr_v = getattr(metric_v, "__name__", repr(metric_v))
-                        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])
+                        values.append([f"{k} {ix}: {metric_k}", self._repr_metric_value(metric_v)])
 
             else:
                 if isinstance(v, functools.partial):