diff --git a/reactos/dll/cpl/desk/desk.rbuild b/reactos/dll/cpl/desk/desk.rbuild
index 13e2b69b192..2df1e749cda 100644
--- a/reactos/dll/cpl/desk/desk.rbuild
+++ b/reactos/dll/cpl/desk/desk.rbuild
@@ -26,7 +26,7 @@
 	<file>desk.c</file>
 	<file>dibitmap.c</file>
 	<file>misc.c</file>
-  <file>preview.c</file>
+	<file>preview.c</file>
 	<file>screensaver.c</file>
 	<file>settings.c</file>
 	<file>desk.rc</file>