diff --git a/src/Mod/Mesh/Gui/Command.cpp b/src/Mod/Mesh/Gui/Command.cpp
index 25ac6603a3..6411e6ac8d 100644
--- a/src/Mod/Mesh/Gui/Command.cpp
+++ b/src/Mod/Mesh/Gui/Command.cpp
@@ -23,7 +23,7 @@
 #include "PreCompiled.h"
 #ifndef _PreComp_
 #ifdef FC_OS_WIN32
-# include <windows.h>
+#include <windows.h>
 #endif
 #include <map>