diff --git a/src/WindowsInstaller/FreeCAD_WindowsInstaller.nsi b/src/WindowsInstaller/FreeCAD_WindowsInstaller.nsi
index 0ab619da1..0511f79b8 100644
--- a/src/WindowsInstaller/FreeCAD_WindowsInstaller.nsi
+++ b/src/WindowsInstaller/FreeCAD_WindowsInstaller.nsi
@@ -81,7 +81,7 @@ section "install"
 	setOutPath $INSTDIR\doc
 	file /r "..\..\doc\"
 	setOutPath $INSTDIR\data
-    file  /r /X CMakeFiles /X *.cmake /X *.vcproj /X CMakeLists.txt /X *.am "..\..\data\"
+    file  /r /X CMakeFiles /X *.cmake /X *.dir /X *.vcproj /X CMakeLists.txt /X *.am "..\..\data\"
 	setOutPath $INSTDIR
     file  "vcredist_x86.exe"