diff --git a/haystack/agents/base.py b/haystack/agents/base.py
index f8b2504128..539fc73eaa 100644
--- a/haystack/agents/base.py
+++ b/haystack/agents/base.py
@@ -214,7 +214,7 @@ def __init__(
         memory: Optional[Memory] = None,
         prompt_parameters_resolver: Optional[Callable] = None,
         max_steps: int = 8,
-        final_answer_pattern: str = r"Final Answer\s*:\s*(.*)",
+        final_answer_pattern: str = r"(?s)Final Answer\s*:\s*(.*)",
         streaming: bool = True,
     ):
         """
diff --git a/releasenotes/notes/improve-agent-final-answer-matching-21f5710035a498d8.yaml b/releasenotes/notes/improve-agent-final-answer-matching-21f5710035a498d8.yaml
new file mode 100644
index 0000000000..43e2fe717e
--- /dev/null
+++ b/releasenotes/notes/improve-agent-final-answer-matching-21f5710035a498d8.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fixed the bug that caused the agent to discard part of final answers if they were distributed across multiple lines.
diff --git a/test/agents/test_agent.py b/test/agents/test_agent.py
index df7511bb6a..73af75d146 100644
--- a/test/agents/test_agent.py
+++ b/test/agents/test_agent.py
@@ -149,6 +149,7 @@ def test_extract_final_answer():
         "Final Answer:42",
         "Final Answer:   ",
         "Final Answer:    The answer is 99    ",
+        "Final Answer:42 should be the answer\n\nBut it's not the only one\n\n\n\n the answer is 1948",
     ]
     expected_answers = [
         "Florida",
@@ -159,10 +160,11 @@ def test_extract_final_answer():
         "42",
         "",
         "The answer is 99",
+        "42 should be the answer\n\nBut it's not the only one\n\n\n\n the answer is 1948",
     ]
 
     for example, expected_answer in zip(match_examples, expected_answers):
-        agent_step = AgentStep(prompt_node_response=example, final_answer_pattern=r"Final Answer\s*:\s*(.*)")
+        agent_step = AgentStep(prompt_node_response=example, final_answer_pattern=r"(?s)Final Answer\s*:\s*(.*)")
         final_answer = agent_step.final_answer(query="irrelevant")
         assert final_answer["answers"][0].answer == expected_answer