diff --git a/Source/SConscript b/Source/SConscript
index 667e1832..9802f809 100644
--- a/Source/SConscript
+++ b/Source/SConscript
@@ -13,7 +13,7 @@ makensis_files = Split("""
 	lang.cpp
 	lineparse.cpp
 	makenssi.cpp
-    manifest.cpp
+	manifest.cpp
 	mmap.cpp
 	Plugins.cpp
 	ResourceEditor.cpp