diff --git a/src/Mod/Part/App/TopoShapeMapper.cpp b/src/Mod/Part/App/TopoShapeMapper.cpp
index 69f9653d18..4268a433d2 100644
--- a/src/Mod/Part/App/TopoShapeMapper.cpp
+++ b/src/Mod/Part/App/TopoShapeMapper.cpp
@@ -1,3 +1,5 @@
+#include "PreCompiled.h"
+
 #include "TopoShapeMapper.h"
 
 namespace Part