diff --git a/win32/nsis/jlasso-lite.nsi.in b/win32/nsis/jlasso-lite.nsi.in
index 39e16483..f4e19539 100644
--- a/win32/nsis/jlasso-lite.nsi.in
+++ b/win32/nsis/jlasso-lite.nsi.in
@@ -48,7 +48,7 @@ SetCompressor bzip2
 ; MUI end ------
 
 Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
-OutFile "Install-java-lite-@VERSION_UNDERSCORED.exe"
+OutFile "Install-java-lite-@VERSION_UNDERSCORED@.exe"
 InstallDir "$PROGRAMFILES\Liberty Alliance Single Sign On Java"
 ShowInstDetails show
 ShowUnInstDetails show