diff --git a/installer/builder/Main.cs b/installer/builder/Main.cs
index 1078b5f2..51ab889b 100755
--- a/installer/builder/Main.cs
+++ b/installer/builder/Main.cs
@@ -47,7 +47,7 @@ public void Release(string file)
 			}
 
 			ABuilder builder = null;
-			if ((int)System.Environment.OSVersion.Platform == 128)
+			if (System.Environment.OSVersion.Platform == System.PlatformID.Unix)
 			{
 				builder = new LinuxBuilder();
 				Releaser.IsWindows = false;