diff --git a/graphiti_core/helpers.py b/graphiti_core/helpers.py
index 5455f9ff..1e7bec50 100644
--- a/graphiti_core/helpers.py
+++ b/graphiti_core/helpers.py
@@ -57,6 +57,12 @@ def lucene_sanitize(query: str) -> str:
             ':': r'\:',
             '\\': r'\\',
             '/': r'\/',
+            'O': r'\O',
+            'R': r'\R',
+            'N': r'\N',
+            'T': r'\T',
+            'A': r'\A',
+            'D': r'\D',
         }
     )
 
diff --git a/tests/helpers_test.py b/tests/helpers_test.py
index 20029bc0..d709a9a4 100644
--- a/tests/helpers_test.py
+++ b/tests/helpers_test.py
@@ -23,10 +23,10 @@ def test_lucene_sanitize():
     # Call the function with test data
     queries = [
         (
-            'This has every secape character + - && || ! ( ) { } [ ] ^ " ~ * ? : \\ /',
-            'This has every secape character \+ \- \&\& \|\| \! \( \) \{ \} \[ \] \^ \\" \~ \* \? \: \\\ \/',
+            'This has every escape character + - && || ! ( ) { } [ ] ^ " ~ * ? : \\ /',
+            '\This has every escape character \+ \- \&\& \|\| \! \( \) \{ \} \[ \] \^ \\" \~ \* \? \: \\\ \/',
         ),
-        ('This has no escape characters', 'This has no escape characters'),
+        ('this has no escape characters', 'this has no escape characters'),
     ]
 
     for query, assert_result in queries: