diff --git a/src/Mod/Path/CMakeLists.txt b/src/Mod/Path/CMakeLists.txt
index bdd03c562..f53f4b407 100644
--- a/src/Mod/Path/CMakeLists.txt
+++ b/src/Mod/Path/CMakeLists.txt
@@ -49,6 +49,7 @@ SET(PathScripts_SRCS
     PathScripts/DlgSettingsPath.ui
     PathScripts/PathKurveUtils.py
     PathScripts/PathKurve.py
+    PathScripts/slic3r_pre.py
 )
 
 ADD_CUSTOM_TARGET(PathScripts ALL