diff --git a/mindsdb_sql_parser/lexer.py b/mindsdb_sql_parser/lexer.py
index 7a76fe0..b63d065 100644
--- a/mindsdb_sql_parser/lexer.py
+++ b/mindsdb_sql_parser/lexer.py
@@ -346,11 +346,13 @@ def INTEGER(self, t):
 
     @_(r"'(?:\\.|[^'])*(?:''(?:\\.|[^'])*)*'")
     def QUOTE_STRING(self, t):
+        t.raw_value = t.value
         t.value = t.value.replace('\\"', '"').replace("\\'", "'").replace("''", "'")
         return t
 
     @_(r'"(?:\\.|[^"])*"')
     def DQUOTE_STRING(self, t):
+        t.raw_value = t.value
         t.value = t.value.replace('\\"', '"').replace("\\'", "'")
         return t
 
diff --git a/mindsdb_sql_parser/parser.py b/mindsdb_sql_parser/parser.py
index 5980296..d6a9fc5 100644
--- a/mindsdb_sql_parser/parser.py
+++ b/mindsdb_sql_parser/parser.py
@@ -1308,7 +1308,7 @@ def from_table_aliased(self, p):
     def from_table(self, p):
         query = NativeQuery(
             integration=p.identifier,
-            query=tokens_to_string(p.raw_query)
+            query=tokens_to_string(p.raw_query, use_raw_values=True)
         )
         return query
 
diff --git a/mindsdb_sql_parser/utils.py b/mindsdb_sql_parser/utils.py
index 8420249..0d94313 100644
--- a/mindsdb_sql_parser/utils.py
+++ b/mindsdb_sql_parser/utils.py
@@ -59,7 +59,7 @@ def to_single_line(text):
     return text
 
 
-def tokens_to_string(tokens):
+def tokens_to_string(tokens, use_raw_values: bool = False):
     # converts list of token (after lexer) to original string
 
     line_num = tokens[0].lineno
@@ -81,10 +81,15 @@ def tokens_to_string(tokens):
         # filling space between tokens
         line += ' '*(token.index - shift - len(line))
 
+        if use_raw_values and hasattr(token, 'raw_value'):
+            value = token.raw_value or token.value
+        else:
+            value = token.value
+
         # add token
-        line += token.value
+        line += value
 
-        last_pos = token.index + len(token.value)
+        last_pos = token.index + len(value)
 
     # last line
     content += line
diff --git a/sly/lex.py b/sly/lex.py
index 91a53c1..48d6ae7 100644
--- a/sly/lex.py
+++ b/sly/lex.py
@@ -74,9 +74,9 @@ class Token(object):
     '''
     Representation of a single token.
     '''
-    __slots__ = ('type', 'value', 'lineno', 'index', 'end')
+    __slots__ = ('type', 'value', 'lineno', 'index', 'end', 'raw_value')
     def __repr__(self):
-        return f'Token(type={self.type!r}, value={self.value!r}, lineno={self.lineno}, index={self.index}, end={self.end})'
+        return f'Token(type={self.type!r}, value={self.value!r}, lineno={self.lineno}, index={self.index}, end={self.end}, raw_value={self.raw_value!r})'
 
 class TokenStr(str):
     @staticmethod
diff --git a/tests/test_mindsdb/test_selects.py b/tests/test_mindsdb/test_selects.py
index 2c6ee71..51dc86d 100644
--- a/tests/test_mindsdb/test_selects.py
+++ b/tests/test_mindsdb/test_selects.py
@@ -45,7 +45,7 @@ def test_select_status_column(self):
     def test_native_query(self):
         sql = """
            SELECT status 
-           FROM int1 (select q from p from r) 
+           FROM int1 (select q from p from r where x = 'test''test') 
            group by 1
            limit 1
         """
@@ -54,7 +54,7 @@ def test_native_query(self):
             targets=[Identifier('status')],
             from_table=NativeQuery(
                 integration=Identifier('int1'),
-                query='select q from p from r'
+                query="select q from p from r where x = 'test''test'"
             ),
             limit=Constant(1),
             group_by=[Constant(1)]