diff --git a/crates/oxc_ast/src/ast/js.rs b/crates/oxc_ast/src/ast/js.rs
index 9af9a9a09..bfc187b8c 100644
--- a/crates/oxc_ast/src/ast/js.rs
+++ b/crates/oxc_ast/src/ast/js.rs
@@ -1112,15 +1112,19 @@ impl VariableDeclarationKind {
     pub fn is_lexical(&self) -> bool {
         matches!(self, Self::Const | Self::Let)
     }
+
+    pub fn to_string(&self) -> &str {
+        match self {
+            Self::Var => "var",
+            Self::Const => "const",
+            Self::Let => "let",
+        }
+    }
 }
 
 impl fmt::Display for VariableDeclarationKind {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        let s = match self {
-            Self::Var => "var",
-            Self::Const => "const",
-            Self::Let => "let",
-        };
+        let s = self.to_string();
         write!(f, "{s}")
     }
 }
diff --git a/crates/oxc_semantic/src/checker/javascript.rs b/crates/oxc_semantic/src/checker/javascript.rs
index 4ebf51721..c9ce4305b 100644
--- a/crates/oxc_semantic/src/checker/javascript.rs
+++ b/crates/oxc_semantic/src/checker/javascript.rs
@@ -216,7 +216,8 @@ fn check_binding_identifier<'a>(
                     )]
                     #[diagnostic()]
                     struct InvalidLetDeclaration(String, #[label] Span);
-                    return ctx.error(InvalidLetDeclaration(decl.kind.to_string(), ident.span));
+                    return ctx
+                        .error(InvalidLetDeclaration(decl.kind.to_string().into(), ident.span));
                 }
                 AstKind::VariableDeclaration(_) | AstKind::Function(_) | AstKind::Program(_) => {
                     break;