diff --git a/src/ast/mod.rs b/src/ast/mod.rs
index 19966d21..3e02350e 100644
--- a/src/ast/mod.rs
+++ b/src/ast/mod.rs
@@ -996,7 +996,7 @@ pub enum Expr {
         data_type: DataType,
         /// The value of the constant.
         /// Hint: you can unwrap the string value using `value.into_string()`.
-        value: Value,
+        value: ValueWithSpan,
     },
     /// Scalar function call e.g. `LEFT(foo, 5)`
     Function(Function),
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index a3856d70..11d44d1f 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -1521,7 +1521,7 @@ impl<'a> Parser<'a> {
                 DataType::Custom(..) => parser_err!("dummy", loc),
                 data_type => Ok(Expr::TypedString {
                     data_type,
-                    value: parser.parse_value()?.value,
+                    value: parser.parse_value()?,
                 }),
             }
         })?;