diff --git a/std/haxe/Int64.hx b/std/haxe/Int64.hx
index e617d02d991..1fc17f99851 100644
--- a/std/haxe/Int64.hx
+++ b/std/haxe/Int64.hx
@@ -147,4 +147,16 @@ class Int128Helper {
 		This is handy for type comparison.
 	 */
 	public static var minValue32:Int128 = Int128.ofInt64(Int64Helper.minValue32);
+
+	/**
+		The maximum unsigned `Int32` value with the type `Int128`.
+		This is handy for type comparison.
+	 */
+	public static var maxValue32U:Int128 = Int128.make(0, -1);
+
+	/**
+		The minimum unsigned `Int32` value with the type `Int128`.
+		This is handy for type comparison.
+	 */
+	public static var minValue32U:Int128 = Int128.make(0, -1);
 }