diff --git a/crates/oxc_codegen/tests/integration/unit.rs b/crates/oxc_codegen/tests/integration/unit.rs
index 3dc78c249b4ac..fa8cd07122c48 100644
--- a/crates/oxc_codegen/tests/integration/unit.rs
+++ b/crates/oxc_codegen/tests/integration/unit.rs
@@ -74,6 +74,10 @@ fn class() {
         "export default class Foo { @x @y accessor #aDef = 1 }",
         "export default class Foo {\n\t@x @y accessor #aDef = 1;\n}\n",
     );
+    test(
+        "export class Test2 {\n@decorator\nproperty: ((arg: any) => any) | undefined;\n}",
+        "export class Test2 {\n\t@decorator property: ((arg: any) => any) | undefined;\n}\n",
+    );
     test_minify("class { static [computed] }", "class{static[computed]}");
 }
 
diff --git a/crates/oxc_isolated_declarations/tests/fixtures/class-decorator.ts b/crates/oxc_isolated_declarations/tests/fixtures/class-decorator.ts
new file mode 100644
index 0000000000000..fae0516694f87
--- /dev/null
+++ b/crates/oxc_isolated_declarations/tests/fixtures/class-decorator.ts
@@ -0,0 +1,24 @@
+declare const decorator: any;
+
+export class Test1 {
+  /**
+   * This methond will trigger the feature highlight dialog load/show based on dialogId and analyticsId
+   */
+  @decorator
+  property: (() => any) | undefined;
+}
+
+export class Test2 {
+  /**
+   * This methond will trigger the feature highlight dialog load/show based on dialogId and analyticsId
+   */
+  @decorator
+  property: ((arg: any) => any) | undefined;
+}
+
+export class Test3 {
+  @decorator
+  property?: {
+    property?: (arg: any) => any;
+  };
+}
diff --git a/crates/oxc_isolated_declarations/tests/snapshots/class-decorator.snap b/crates/oxc_isolated_declarations/tests/snapshots/class-decorator.snap
new file mode 100644
index 0000000000000..1480457e7c238
--- /dev/null
+++ b/crates/oxc_isolated_declarations/tests/snapshots/class-decorator.snap
@@ -0,0 +1,24 @@
+---
+source: crates/oxc_isolated_declarations/tests/mod.rs
+input_file: crates/oxc_isolated_declarations/tests/fixtures/class-decorator.ts
+---
+```
+==================== .D.TS ====================
+
+export declare class Test1 {
+	/**
+	* This methond will trigger the feature highlight dialog load/show based on dialogId and analyticsId
+	*/
+	property: (() => any) | undefined;
+}
+export declare class Test2 {
+	/**
+	* This methond will trigger the feature highlight dialog load/show based on dialogId and analyticsId
+	*/
+	property: ((arg: any) => any) | undefined;
+}
+export declare class Test3 {
+	property?: {
+		property?: (arg: any) => any
+	};
+}
diff --git a/crates/oxc_parser/src/js/class.rs b/crates/oxc_parser/src/js/class.rs
index 9e8d95f7f089e..d73f36ba2ef32 100644
--- a/crates/oxc_parser/src/js/class.rs
+++ b/crates/oxc_parser/src/js/class.rs
@@ -516,8 +516,8 @@ impl<'a> ParserImpl<'a> {
         definite: bool,
         modifiers: &Modifiers,
     ) -> ClassElement<'a> {
-        let type_annotation = if self.is_ts { self.parse_ts_type_annotation() } else { None };
         let decorators = self.consume_decorators();
+        let type_annotation = if self.is_ts { self.parse_ts_type_annotation() } else { None };
         // Initializer[+In, ?Yield, ?Await]opt
         let initializer = self
             .eat(Kind::Eq)