diff --git a/src/pocketpy.h b/src/pocketpy.h
index edca6180..74000490 100644
--- a/src/pocketpy.h
+++ b/src/pocketpy.h
@@ -128,8 +128,9 @@ void __initializeBuiltinFunctions(VM* _vm) {
         return vm->PyStr(s);
     });
 
+    _vm->bindMethod<1>("object", "__eq__", CPP_LAMBDA(vm->PyBool(args[0] == args[1])));
+
     _vm->bindStaticMethod<1>("type", "__new__", CPP_LAMBDA(args[0]->_type));
-    _vm->bindMethod<1>("type", "__eq__", CPP_LAMBDA(vm->PyBool(args[0] == args[1])));
 
     _vm->bindStaticMethod<-1>("range", "__new__", [](VM* vm, const pkpy::ArgList& args) {
         _Range r;
@@ -148,7 +149,6 @@ void __initializeBuiltinFunctions(VM* _vm) {
 
     _vm->bindMethod<0>("NoneType", "__repr__", CPP_LAMBDA(vm->PyStr("None")));
     _vm->bindMethod<0>("NoneType", "__json__", CPP_LAMBDA(vm->PyStr("null")));
-    _vm->bindMethod<1>("NoneType", "__eq__", CPP_LAMBDA(vm->PyBool(args[0] == args[1])));
 
     _vm->bindMethodMulti<1>({"int", "float"}, "__truediv__", [](VM* vm, const pkpy::ArgList& args) {
         f64 rhs = vm->num_to_float(args[1]);
@@ -292,7 +292,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
     _vm->bindMethod<1>("str", "__eq__", [](VM* vm, const pkpy::ArgList& args) {
         if(args[0]->is_type(vm->_tp_str) && args[1]->is_type(vm->_tp_str))
             return vm->PyBool(vm->PyStr_AS_C(args[0]) == vm->PyStr_AS_C(args[1]));
-        return vm->PyBool(args[0] == args[1]);      // fallback
+        return vm->PyBool(args[0] == args[1]);
     });
 
     _vm->bindMethod<1>("str", "__getitem__", [](VM* vm, const pkpy::ArgList& args) {
@@ -478,10 +478,6 @@ void __initializeBuiltinFunctions(VM* _vm) {
         return vm->PyStr(val ? "true" : "false");
     });
 
-    _vm->bindMethod<1>("bool", "__eq__", [](VM* vm, const pkpy::ArgList& args) {
-        return vm->PyBool(args[0] == args[1]);
-    });
-
     _vm->bindMethod<1>("bool", "__xor__", [](VM* vm, const pkpy::ArgList& args) {
         bool _self = vm->PyBool_AS_C(args[0]);
         bool _obj = vm->PyBool_AS_C(args[1]);
diff --git a/src/safestl.h b/src/safestl.h
index 58690496..fbf378be 100644
--- a/src/safestl.h
+++ b/src/safestl.h
@@ -118,7 +118,7 @@ namespace pkpy {
             return ret;
         }
 
-        void extended_self(const PyVar& self){
+        void extend_self(const PyVar& self){
             static_assert(std::is_standard_layout_v<PyVar>);
             PyVar* old_args = _args;
             uint8_t old_size = _size;
@@ -126,8 +126,8 @@ namespace pkpy {
             _args[0] = self;
             if(old_size == 0) return;
 
-            memcpy(_args+1, old_args, sizeof(PyVar)*old_size);
-            memset(old_args, 0, sizeof(PyVar)*old_size);
+            memcpy((void*)(_args+1), (void*)old_args, sizeof(PyVar)*old_size);
+            memset((void*)old_args, 0, sizeof(PyVar)*old_size);
             if(old_size >= MAX_POOLING_N || _poolArgList[old_size].size() > 32){
                 delete[] old_args;
             }else{
diff --git a/src/vm.h b/src/vm.h
index 009c02a9..0108d4e6 100644
--- a/src/vm.h
+++ b/src/vm.h
@@ -450,7 +450,7 @@ public:
         if((*callable)->is_type(_tp_bounded_method)){
             auto& bm = PyBoundedMethod_AS_C((*callable));
             callable = &bm.method;      // get unbound method
-            args.extended_self(bm.obj);
+            args.extend_self(bm.obj);
         }
         
         if((*callable)->is_type(_tp_native_function)){