diff --git a/src/Mod/Fem/CMakeLists.txt b/src/Mod/Fem/CMakeLists.txt
index 56b2f9e37..8cd9b186c 100755
--- a/src/Mod/Fem/CMakeLists.txt
+++ b/src/Mod/Fem/CMakeLists.txt
@@ -10,6 +10,7 @@ INSTALL(
         Init.py
         InitGui.py
         convert2TetGen.py
+        CalculixLib.py
         FemExample.py
         FemLib.py
         MechanicalAnalysis.py