diff --git a/vo_models/vodataservice/models.py b/vo_models/vodataservice/models.py
index 0ac37c5..c6cc2cf 100644
--- a/vo_models/vodataservice/models.py
+++ b/vo_models/vodataservice/models.py
@@ -176,7 +176,8 @@ def validate_colname(cls, value: str):
 
         value: - The column name to escape.
         """
-        if value.upper() in ADQL_SQL_KEYWORDS:
+        if value.strip("'\"").upper() in ADQL_SQL_KEYWORDS:
+            value = value.strip("'\"")
             value = f'"{value}"'
         return value