diff --git a/opencompass/datasets/mbpp.py b/opencompass/datasets/mbpp.py
index 3e4218246..7ccdc0ee7 100644
--- a/opencompass/datasets/mbpp.py
+++ b/opencompass/datasets/mbpp.py
@@ -344,6 +344,7 @@ def _filtered_get_mbpp_plus(*args, **kwargs):
 
     def _process_answer(self, text):
         patterns = [
+            r"^\s*'(.*?)'\s*\[DONE\]",
             r"\[BEGIN\]\s*'(.*)'\s*\[DONE\]",
             r"BEGIN\s*'(.*)'\s*\[DONE\]",
             r"\[BEGIN\]\s*'(.*)'\s*DONE",
diff --git a/tests/datasets/test_mbpp.py b/tests/datasets/test_mbpp.py
new file mode 100644
index 000000000..19cf976eb
--- /dev/null
+++ b/tests/datasets/test_mbpp.py
@@ -0,0 +1,24 @@
+import unittest
+
+from opencompass.datasets.mbpp import MBPPEvaluator
+
+
+class TestMBPPEvaluator(unittest.TestCase):
+
+    def test_process_answer_uses_first_generated_program(self):
+        raw = """ 'def target(x):
+    return x + 1'
+[DONE]
+
+[BEGIN]
+ 'def wrong(x):
+    return x - 1'
+[DONE]
+"""
+
+        self.assertEqual(MBPPEvaluator()._process_answer(raw),
+                         'def target(x):\n    return x + 1')
+
+
+if __name__ == '__main__':
+    unittest.main()