diff --git a/src/crewai/agent.py b/src/crewai/agent.py
index 9a2f098ff..6a1a31792 100644
--- a/src/crewai/agent.py
+++ b/src/crewai/agent.py
@@ -140,7 +140,10 @@ class Agent(BaseAgent):
                 self.embedder = crew_embedder
 
             if self.knowledge_sources:
-                full_pattern = re.compile(r"[^a-zA-Z0-9\u4e00-\u9fa5\-_\r\n]|(\.\.)")
+                # Unicode ranges for CJK characters:
+                # \u4e00-\u9fff: Common Chinese characters
+                # \u3400-\u4dbf: Extended CJK characters
+                full_pattern = re.compile(r"[^\w\u4e00-\u9fff\u3400-\u4dbf\-_\r\n]|(\.\.)")
                 knowledge_agent_name = f"{re.sub(full_pattern, '_', self.role)}"
                 if isinstance(self.knowledge_sources, list) and all(
                     isinstance(k, BaseKnowledgeSource) for k in self.knowledge_sources
diff --git a/tests/test_chinese_support/test_chinese_agent.py b/tests/test_chinese_support/test_chinese_agent.py
index 41dabeca8..5928d46dc 100644
--- a/tests/test_chinese_support/test_chinese_agent.py
+++ b/tests/test_chinese_support/test_chinese_agent.py
@@ -1,10 +1,12 @@
-import pytest
 import re
 from unittest.mock import MagicMock, patch
 
+import pytest
+
 from crewai.agent import Agent
 from crewai.knowledge.source.string_knowledge_source import StringKnowledgeSource
 
+
 def test_agent_with_chinese_role_name():
     """Test that an agent with a Chinese role name works correctly with the updated regex pattern."""
     # Create a knowledge source with some content
diff --git a/tests/test_chinese_support/test_chinese_agent_name.py b/tests/test_chinese_support/test_chinese_agent_name.py
index 6ab035ba0..9194894d7 100644
--- a/tests/test_chinese_support/test_chinese_agent_name.py
+++ b/tests/test_chinese_support/test_chinese_agent_name.py
@@ -1,9 +1,11 @@
-import pytest
 import re
 
+import pytest
+
 from crewai.agent import Agent
 from crewai.knowledge.source.string_knowledge_source import StringKnowledgeSource
 
+
 def test_agent_with_chinese_role_name():
     """Test that an agent with a Chinese role name works correctly."""
     # Create a knowledge source with some content