diff --git a/src/lighteval/tasks/tasks/aimo.py b/src/lighteval/tasks/tasks/aimo.py
index 03d86268a..b1d7c1de3 100644
--- a/src/lighteval/tasks/tasks/aimo.py
+++ b/src/lighteval/tasks/tasks/aimo.py
@@ -51,9 +51,7 @@ def record_to_sample(record):
     evaluation_splits=["train"],
     few_shots_split="train",
     few_shots_select="sequential",
-    metrics=[
-        Metrics.exact_match(sample_params={"normalize_gold": math_normalizer, "normalize_pred": math_normalizer})
-    ],
+    metrics=[Metrics.exact_match(sample_params={"normalize_pred": math_normalizer})],
     generation_size=2048,
     stop_sequence=None,
 )
diff --git a/tests/unit/tasks/test_aimo.py b/tests/unit/tasks/test_aimo.py
new file mode 100644
index 000000000..aea7ea2c8
--- /dev/null
+++ b/tests/unit/tasks/test_aimo.py
@@ -0,0 +1,52 @@
+# MIT License
+
+# Copyright (c) 2026 The HuggingFace Team
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import pytest
+
+from lighteval.models.model_output import ModelResponse
+from lighteval.tasks.tasks.aimo import aimo_prompt, task
+
+
+# Problem 229ee8 from lighteval/aimo_progress_prize_1
+LINE = {
+    "problem": "Let $k, l > 0$ be parameters. The parabola $y = kx^2 - 2kx + l$ intersects the line $y = 4$ at two "
+    "points $A$ and $B$. These points are distance 6 apart. What is the sum of the squares of the distances from "
+    "$A$ and $B$ to the origin?",
+    "answer": 52,
+}
+
+
+@pytest.mark.parametrize(
+    "prediction, expected",
+    [
+        ("The sum of the squares of the distances is $\\boxed{52}$.", 1),
+        ("The sum of the squares of the distances is $\\boxed{40}$.", 0),
+        ("The sum of the squares of the distances is 40.", 0),
+    ],
+)
+def test_aimo_exact_match(prediction, expected):
+    doc = aimo_prompt(LINE, task_name="aimo_progress_prize_1")
+    model_response = ModelResponse(text=[prediction])
+
+    for metric in task.metrics:
+        result = metric.compute_sample(doc=doc, model_response=model_response)
+        assert result[metric.metric_name] == expected