diff --git a/src/public/cast.c b/src/public/cast.c
index f9748924..1dee7d68 100644
--- a/src/public/cast.c
+++ b/src/public/cast.c
@@ -43,8 +43,7 @@ bool py_istype(const py_Ref self, py_Type type) { return self->type == type; }
 
 bool py_checktype(const py_Ref self, py_Type type) {
     if(self->type != type) {
-        // py_raise(PyExc_TypeError, "expected %s, got %s", py_typename(type), py_typename(self->type));
-        return false;
+        return TypeError("expected %t, got %t", type, self->type);
     }
     return true;
 }
\ No newline at end of file