diff --git a/DDSView/hlsl.cmd b/DDSView/hlsl.cmd
index 4c19452..aefdc0f 100644
--- a/DDSView/hlsl.cmd
+++ b/DDSView/hlsl.cmd
@@ -63,4 +63,5 @@ echo %FXC%
 @goto end
 :error
 @echo --- ERROR: Shader build failed ---
-:end
+exit /b 1
+:end
\ No newline at end of file