diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index c10cfec075..161e87a8b9 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -34,7 +34,7 @@ import codecs
 import six
 
 import FreeCAD
-from femmesh import meshtools
+from femmesh importhttps://forum.freecadweb.org/viewtopic.php?f=18&t=43178 meshtools
 from .. import writerbase
 
 
@@ -877,6 +877,7 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
         elif self.analysis_type == "check":
             analysis_type = "*NO ANALYSIS"
         # analysis line --> solver type
+        # https://forum.freecadweb.org/viewtopic.php?f=18&t=43178
         if self.solver_obj.MatrixSolverType == "default":
             pass
         elif self.solver_obj.MatrixSolverType == "spooles":