diff --git a/src/praisonai-agents/praisonaiagents/session/store.py b/src/praisonai-agents/praisonaiagents/session/store.py
index 61d46468c..20b1ee81a 100644
--- a/src/praisonai-agents/praisonaiagents/session/store.py
+++ b/src/praisonai-agents/praisonaiagents/session/store.py
@@ -15,10 +15,10 @@
 import time
 
 # fcntl is Unix-only; on Windows, use msvcrt for file locking
-if sys.platform != 'win32':
+try:
     import fcntl
     _HAS_FCNTL = True
-else:
+except ImportError:
     _HAS_FCNTL = False
 from dataclasses import dataclass, field
 from datetime import datetime, timezone
@@ -167,11 +167,11 @@ def acquire(self) -> bool:
                     if _HAS_FCNTL:
                         fcntl.flock(self._lock_file.fileno(), fcntl.LOCK_EX | fcntl.LOCK_NB)
                     else:
-                        # Warn once about degraded locking (should never happen with current platform detection)
+                        # Warn once about degraded locking on non-Windows platforms without fcntl
                         global _WARNED_NO_FCNTL
                         if not _WARNED_NO_FCNTL:
                             logger.warning(
-                                "File locking unavailable on this platform (no fcntl/msvcrt); "
+                                "File locking unavailable on this platform (fcntl not available); "
                                 "concurrent writers may corrupt session files."
                             )
                             _WARNED_NO_FCNTL = True
diff --git a/src/praisonai-agents/tests/unit/session/test_session_store.py b/src/praisonai-agents/tests/unit/session/test_session_store.py
index 368dc0c0e..0e3e0ad38 100644
--- a/src/praisonai-agents/tests/unit/session/test_session_store.py
+++ b/src/praisonai-agents/tests/unit/session/test_session_store.py
@@ -9,8 +9,11 @@
 import tempfile
 import threading
 import time
+import builtins
+import importlib
 import pytest
 from concurrent.futures import ThreadPoolExecutor
+from unittest.mock import patch
 
 from praisonaiagents.session.store import (
     DefaultSessionStore,
@@ -160,6 +163,26 @@ def worker(worker_id):
                         if start_idx < other_start < end_idx:
                             pytest.fail(f"Lock interleaving detected: {results}")
 
+    def test_import_without_fcntl(self):
+        """Test module import succeeds when fcntl is unavailable."""
+        import praisonaiagents.session.store as store_module
+        import importlib.util
+        original_import = builtins.__import__
+
+        def import_without_fcntl(name, *args, **kwargs):
+            if name == "fcntl":
+                raise ImportError("fcntl unavailable")
+            return original_import(name, *args, **kwargs)
+
+        try:
+            with patch("builtins.__import__", side_effect=import_without_fcntl):
+                reloaded_module = importlib.reload(store_module)
+                assert reloaded_module._HAS_FCNTL is False
+        finally:
+            restored_module = importlib.reload(store_module)
+        
+        assert restored_module._HAS_FCNTL is (importlib.util.find_spec("fcntl") is not None)
+
 
 class TestDefaultSessionStore:
     """Tests for DefaultSessionStore."""