diff --git a/src/codegen.rs b/src/codegen.rs
index cb3b58f..1d3c873 100644
--- a/src/codegen.rs
+++ b/src/codegen.rs
@@ -374,7 +374,26 @@ impl ToRust for TopLevelKind {
 
                 cg.add_indentedln("let mut this: Self = unsafe { std::mem::MaybeUninit::<Self>::zeroed().assume_init() };");
 
-                cg.add_indentedln("this.construct_class();");
+                for field in fields {
+                    if let Some(init) = &field.init {
+                        cg.add_indentedln(&format!(
+                            "this.{} = {};",
+                            field.decl.name,
+                            init.get_rust()
+                        ));
+                    }
+                }
+
+                cg.add_indentedln(&format!(
+                    "this.construct_class({});",
+                    constructor
+                        .params
+                        .0
+                        .iter()
+                        .map(|e| e.name.to_string())
+                        .collect::<Vec<_>>()
+                        .join(", ")
+                ));
 
                 cg.add_indentedln("this");
 
diff --git a/test/src/main.mist b/test/src/main.mist
index e53f67d..a376c85 100644
--- a/test/src/main.mist
+++ b/test/src/main.mist
@@ -1,12 +1,12 @@
 class MyClass {
-    String my_item;
+    String message;
 
-    constructor() {
-        self.my_item = "Hello World!".to_string();
+    public constructor(str* name) {
+        self.message = format!("Hello {}!", name);
     }
 }
 
 void main() {
-    var my_class = MyClass::new();
-    println!("{}", my_class.my_item);
+    var my_class = MyClass::new("World");
+    println!("{}", my_class.message);
 }