diff --git a/installer/builder/Main.cs b/installer/builder/Main.cs
index 51ab889b..f9b82793 100755
--- a/installer/builder/Main.cs
+++ b/installer/builder/Main.cs
@@ -61,6 +61,7 @@ public void Release(string file)
 			if (!builder.Build(m_Cfg, build))
 			{
 				Console.WriteLine("Build failed!");
+				System.Environment.Exit(1);
 			} 
 			else 
 			{