diff --git a/src/codegen/transpiler.rs b/src/codegen/transpiler.rs
index 79772fe..ec2a448 100644
--- a/src/codegen/transpiler.rs
+++ b/src/codegen/transpiler.rs
@@ -337,6 +337,10 @@ impl Transpiler {
     }
 
     fn generate_struct_decl(&self, struct_decl: &CStructDecl) -> String {
+        // Skip predefined structs that are already declared in included headers
+        if matches!(struct_decl.name.as_str(), "Shader" | "Color") {
+            return String::new();
+        }
         let mut output = format!("struct {} {{\n", struct_decl.name);
         for field in &struct_decl.fields {
             output.push_str(&format!("    {} {};\n", field.ty.to_string(), field.name));
@@ -346,6 +350,10 @@ impl Transpiler {
     }
 
     fn generate_typeinfo_decl(&self, struct_decl: &CStructDecl) -> String {
+        // Skip predefined structs
+        if matches!(struct_decl.name.as_str(), "Shader" | "Color") {
+            return String::new();
+        }
         if let Some(bitmap) = self.typeinfo_map.get(&struct_decl.name) {
             // Generate pointer bitmap as a C array
             let bitmap_str = bitmap
@@ -796,7 +804,7 @@ impl Transpiler {
                     "Vec3" => "suic_vec3".to_string(),
                     _ => format!("struct {}", struct_name),
                 };
-                format!("({}){{ {} }}", c_type_name, field_inits.join(", "))
+                format!("suic_alloc_struct(&sui_typeinfo_{}, sizeof({}), &(({}){{ {} }}))", struct_name, c_type_name, c_type_name, field_inits.join(", "))
             }
             CExpr::EnumLit(enum_name, variant_name, args) => {
                 // Find the variant index - for simplicity, assume variants are in order
diff --git a/tests/structs.c b/tests/structs.c
index 16bda91..5f9a149 100644
--- a/tests/structs.c
+++ b/tests/structs.c
@@ -31,15 +31,8 @@ struct Person {
     char* name;
     int age;
 };
-struct Color {
-    uint8_t r;
-    uint8_t g;
-    uint8_t b;
-    uint8_t a;
-};
-struct Shader {
-    int id;
-};
+;
+;
 
 static const uint8_t sui_bitmap_Point[] = { 0, 0 };
 static const TypeInfo sui_typeinfo_Point = {
@@ -53,25 +46,15 @@ static const TypeInfo sui_typeinfo_Person = {
   .pointer_count = 1,
   .pointer_bitmap = sui_bitmap_Person
 };
-static const uint8_t sui_bitmap_Color[] = { 0, 0, 0, 0 };
-static const TypeInfo sui_typeinfo_Color = {
-  .field_count = 4,
-  .pointer_count = 0,
-  .pointer_bitmap = sui_bitmap_Color
-};
-static const uint8_t sui_bitmap_Shader[] = { 0 };
-static const TypeInfo sui_typeinfo_Shader = {
-  .field_count = 1,
-  .pointer_count = 0,
-  .pointer_bitmap = sui_bitmap_Shader
-};
+
+
 
 int suic_main(void);
 
 
 int suic_main(void) {
-    struct Point* p = (struct Point){ .x = 5, .y = 10 };
-    struct Person* person = (struct Person){ .name = suic_alloc_array(NULL, sizeof(char), 6, "Alice"), .age = 30 };
+    struct Point* p = suic_alloc_struct(&sui_typeinfo_Point, sizeof(struct Point), &((struct Point){ .x = 5, .y = 10 }));
+    struct Person* person = suic_alloc_struct(&sui_typeinfo_Person, sizeof(struct Person), &((struct Person){ .name = suic_alloc_array(NULL, sizeof(char), 6, "Alice"), .age = 30 }));
     int _ = ((*p).x + (*person).age);
     return 0;
 }
diff --git a/tests/structs.o b/tests/structs.o
index 13e75a4..81c4f34 100755
Binary files a/tests/structs.o and b/tests/structs.o differ