diff --git a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/delegate.rs b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/delegate.rs
index ab40f0a104..cdebb30fcc 100644
--- a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/delegate.rs
+++ b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/delegate.rs
@@ -45,7 +45,7 @@ fn generate_array(
             ..Default::default()
         },
         namespace: array.namespace.clone(),
-        class_name: self_dart_api_type,
+        class_name: self_dart_api_type.clone(),
         code: format!(
             "
             class {self_dart_api_type} extends NonGrowableListView<{inner_dart_api_type}> {{
diff --git a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/enumeration_simple.rs b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/enumeration_simple.rs
index 0156620a0f..f6f486ed2c 100644
--- a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/enumeration_simple.rs
+++ b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/enumeration_simple.rs
@@ -16,7 +16,7 @@ impl<'a> EnumRefApiDartGenerator<'a> {
             .collect_vec()
             .join("\n");
 
-        let name = self.ir.ident.0.name;
+        let name = &self.ir.ident.0.name;
 
         Some(ApiDartGeneratedClass {
             namespace: src.name.namespace.clone(),
diff --git a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/rust_opaque.rs b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/rust_opaque.rs
index c056a3b876..d4d7eade15 100644
--- a/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/rust_opaque.rs
+++ b/frb_codegen/src/library/codegen/generator/api_dart/spec_generator/class/ty/rust_opaque.rs
@@ -31,7 +31,7 @@ impl<'a> ApiDartGeneratorClassTrait for RustOpaqueApiDartGenerator<'a> {
 
         Some(ApiDartGeneratedClass {
             namespace: self.ir.namespace.clone(),
-            class_name: dart_api_type,
+            class_name: dart_api_type.clone(),
             code: format!(
                 "
             // Rust type: {rust_api_type}