diff --git a/src/codegen.rs b/src/codegen.rs
index 905de44..cb3b58f 100644
--- a/src/codegen.rs
+++ b/src/codegen.rs
@@ -372,15 +372,28 @@ impl ToRust for TopLevelKind {
                 ));
                 cg.indent += 1;
 
-                cg.add_indentedln("let this: Self = unsafe { std::mem::zeroed() };");
+                cg.add_indentedln("let mut this: Self = unsafe { std::mem::MaybeUninit::<Self>::zeroed().assume_init() };");
 
-                constructor.body.to_rust(cg);
+                cg.add_indentedln("this.construct_class();");
 
                 cg.add_indentedln("this");
 
                 cg.indent -= 1;
                 cg.add_indentedln("}\n");
 
+                // Constructor function
+                cg.add_indentedln(&format!(
+                    "{}fn construct_class(&mut self, {}) {{",
+                    if constructor.export { "pub " } else { "" },
+                    params_str
+                ));
+                cg.indent += 1;
+
+                constructor.body.to_rust(cg);
+
+                cg.indent -= 1;
+                cg.add_indentedln("}\n");
+
                 cg.indent -= 1;
                 cg.addln("}\n");
             }
diff --git a/test/src/main.mist b/test/src/main.mist
index 87d8396..e53f67d 100644
--- a/test/src/main.mist
+++ b/test/src/main.mist
@@ -2,10 +2,11 @@ class MyClass {
     String my_item;
 
     constructor() {
-        
+        self.my_item = "Hello World!".to_string();
     }
 }
 
 void main() {
     var my_class = MyClass::new();
+    println!("{}", my_class.my_item);
 }