diff --git a/lang/README.md b/lang/README.md
index 1ed58ee..8d1ced3 100644
--- a/lang/README.md
+++ b/lang/README.md
@@ -734,7 +734,7 @@ main := fn(): uint {
 
 #### method_receiver_by_value
 ```hb
-$log := fn(ptr: ^u8): void return @eca(0, ptr)
+$log := fn(ptr: ^u8): void return @eca(37, ptr)
 Struct := struct {
 	ptr: ^u8,
 	print := fn(self: Self, rhs: Self): void {
diff --git a/lang/src/backend/hbvm.rs b/lang/src/backend/hbvm.rs
index b559b41..5c989f5 100644
--- a/lang/src/backend/hbvm.rs
+++ b/lang/src/backend/hbvm.rs
@@ -1138,7 +1138,7 @@ pub fn test_run_vm(out: &[u8], output: &mut String) {
         match vm.run() {
             Ok(hbvm::VmRunOk::End) => break Ok(()),
             Ok(hbvm::VmRunOk::Ecall) => match vm.read_reg(2).0 {
-                0 => writeln!(
+                37 => writeln!(
                     output,
                     "{}",
                     unsafe { CStr::from_ptr(vm.read_reg(3).0 as _) }.to_str().unwrap()
diff --git a/lang/src/son.rs b/lang/src/son.rs
index cd73d06..093de05 100644
--- a/lang/src/son.rs
+++ b/lang/src/son.rs
@@ -5641,7 +5641,7 @@ impl<'a> Codegen<'a> {
                 };
             };
 
-            let ty = if let Some(&ty) = self.tys.syms.get(SymKey::Decl(parent, name), &self.tys.ins)
+            let ty = if let Some(&ty) = self.tys.syms.get(SymKey::Decl(piter, name), &self.tys.ins)
             {
                 ty
             } else {
@@ -5651,13 +5651,18 @@ impl<'a> Codegen<'a> {
                             self.tys
                                 .ins
                                 .consts
-                                .push(ConstData { ast: ExprRef::new(expr), name, file, parent })
+                                .push(ConstData {
+                                    ast: ExprRef::new(expr),
+                                    name,
+                                    file,
+                                    parent: piter,
+                                })
                                 .into()
                         } else {
                             self.parse_ty(
                                 TyScope {
                                     file,
-                                    parent,
+                                    parent: piter,
                                     name: Some(name),
                                     alloc_const: true,
                                     is_ct,
@@ -5667,7 +5672,7 @@ impl<'a> Codegen<'a> {
                         }
                     })
                     .unwrap_or_else(|_| unreachable!());
-                self.tys.syms.insert(SymKey::Decl(parent, name), ty, &self.tys.ins);
+                self.tys.syms.insert(SymKey::Decl(piter, name), ty, &self.tys.ins);
                 ty
             };
 
diff --git a/lang/tests/son_tests_generic_types.txt b/lang/tests/son_tests_generic_types.txt
index 6ff4f3b..e893955 100644
--- a/lang/tests/son_tests_generic_types.txt
+++ b/lang/tests/son_tests_generic_types.txt
@@ -43,18 +43,6 @@ free:
     CP r5, r15
     ECA 
     JALA r0, r31, 0a
-free:
-    CP r13, r2
-    CP r14, r3
-    CP r15, r4
-    LRA r16, r0, :free_sys_call
-    LD r16, r16, 0a, 8h
-    CP r2, r16
-    CP r3, r13
-    CP r4, r14
-    CP r5, r15
-    ECA 
-    JALA r0, r31, 0a
 main:
     ADDI64 r254, r254, -96d
     ST r31, r254, 48a, 48h
@@ -99,18 +87,6 @@ malloc:
     CP r13, r1
     CP r1, r13
     JALA r0, r31, 0a
-malloc:
-    CP r13, r2
-    CP r14, r3
-    LRA r15, r0, :malloc_sys_call
-    LD r15, r15, 0a, 8h
-    CP r2, r15
-    CP r3, r13
-    CP r4, r14
-    ECA 
-    CP r13, r1
-    CP r1, r13
-    JALA r0, r31, 0a
 new:
     ADDI64 r254, r254, -24d
     CP r15, r1
@@ -242,6 +218,6 @@ push:
  4: LD r31, r254, 0a, 88h
     ADDI64 r254, r254, 88d
     JALA r0, r31, 0a
-code size: 1757
+code size: 1635
 ret: 69
 status: Ok(())
diff --git a/lang/tests/son_tests_method_receiver_by_value.txt b/lang/tests/son_tests_method_receiver_by_value.txt
index e69de29..01bbd7f 100644
--- a/lang/tests/son_tests_method_receiver_by_value.txt
+++ b/lang/tests/son_tests_method_receiver_by_value.txt
@@ -0,0 +1,61 @@
+main:
+    ADDI64 r254, r254, -72d
+    ST r31, r254, 32a, 40h
+    ADDI64 r32, r254, 8d
+    LRA r33, r0, :"Goodbye, World!\0"
+    ADDI64 r34, r254, 24d
+    LRA r35, r0, :"Hello, World!\0"
+    ST r33, r254, 8a, 8h
+    ST r35, r254, 24a, 8h
+    LD r2, r34, 0a, 8h
+    LD r3, r32, 0a, 8h
+    JAL r31, r0, :print
+    ADDI64 r32, r254, 0d
+    ADDI64 r34, r254, 16d
+    ST r33, r254, 0a, 8h
+    ST r35, r254, 16a, 8h
+    CP r2, r34
+    CP r3, r32
+    JAL r31, r0, :print2
+    LD r31, r254, 32a, 40h
+    ADDI64 r254, r254, 72d
+    JALA r0, r31, 0a
+print:
+    ADDI64 r254, r254, -16d
+    ST r2, r254, 8a, 8h
+    ADDI64 r2, r254, 8d
+    CP r13, r2
+    ST r3, r254, 0a, 8h
+    ADDI64 r3, r254, 0d
+    CP r14, r3
+    LD r13, r13, 0a, 8h
+    LI64 r15, 37d
+    CP r2, r15
+    CP r3, r13
+    ECA 
+    LD r13, r14, 0a, 8h
+    CP r2, r15
+    CP r3, r13
+    ECA 
+    ADDI64 r254, r254, 16d
+    JALA r0, r31, 0a
+print2:
+    CP r13, r2
+    CP r14, r3
+    LD r13, r13, 0a, 8h
+    LI64 r15, 37d
+    CP r2, r15
+    CP r3, r13
+    ECA 
+    LD r13, r14, 0a, 8h
+    CP r2, r15
+    CP r3, r13
+    ECA 
+    JALA r0, r31, 0a
+Hello, World!
+Goodbye, World!
+Hello, World!
+Goodbye, World!
+code size: 457
+ret: 0
+status: Ok(())