diff --git a/lib/std/core/types.c3 b/lib/std/core/types.c3
index 6ab71b1d5..8d4d327ea 100644
--- a/lib/std/core/types.c3
+++ b/lib/std/core/types.c3
@@ -112,7 +112,12 @@ macro bool is_numerical($Type)
 
 fn bool TypeKind.is_int(kind) @inline
 {
-	return kind == TypeKind.SIGNED_INT || kind == TypeKind.UNSIGNED_INT;
+	return kind == SIGNED_INT || kind == UNSIGNED_INT;
+}
+
+macro bool TypeKind.@is_int($kind) @const
+{
+	return $kind == SIGNED_INT ||| $kind == UNSIGNED_INT;
 }
 
 macro bool is_slice_convertable($Type) @deprecated("Use is_slice_convertible") => is_slice_convertible($Type);