diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 7b5d9479bd..207ce14c1f 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -29,7 +29,7 @@ pub const (
 	array_builtin_methods_chk   = token.new_keywords_matcher_from_array_trie(array_builtin_methods)
 	// TODO: remove `byte` from this list when it is no longer supported
 	reserved_type_names         = ['byte', 'bool', 'char', 'i8', 'i16', 'int', 'i64', 'u8', 'u16',
-		'u32', 'u64', 'f32', 'f64', 'map', 'string', 'rune']
+		'u32', 'u64', 'f32', 'f64', 'map', 'string', 'rune', 'usize', 'isize', 'voidptr']
 	reserved_type_names_chk     = token.new_keywords_matcher_from_array_trie(reserved_type_names)
 	vroot_is_deprecated_message = '@VROOT is deprecated, use @VMODROOT or @VEXEROOT instead'
 )