diff --git a/src/Mod/Fem/FemInputWriterCcx.py b/src/Mod/Fem/FemInputWriterCcx.py
index 5e6e54b29d..acaffc6b06 100644
--- a/src/Mod/Fem/FemInputWriterCcx.py
+++ b/src/Mod/Fem/FemInputWriterCcx.py
@@ -1019,7 +1019,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         f.write('** Outputs --> frd file\n')
         f.write('** written by {} function\n'.format(sys._getframe().f_code.co_name))
         if self.beamsection_objects or self.shellthickness_objects or self.fluidsection_objects:
-            if self.solver_obj.BeamShellResultOutput3D == False:
+            if self.solver_obj.BeamShellResultOutput3D is False:
                 f.write('*NODE FILE, OUTPUT=2d\n')
             else:
                 f.write('*NODE FILE, OUTPUT=3d\n')
diff --git a/src/Mod/Fem/PyObjects/_FemSolverCalculix.py b/src/Mod/Fem/PyObjects/_FemSolverCalculix.py
index dd0b8f4386..5728db6ecc 100644
--- a/src/Mod/Fem/PyObjects/_FemSolverCalculix.py
+++ b/src/Mod/Fem/PyObjects/_FemSolverCalculix.py
@@ -143,7 +143,7 @@ class _FemSolverCalculix():
         obj.MatrixSolverType = known_ccx_solver_types
         solver_type = ccx_prefs.GetInt("Solver", 0)
         obj.MatrixSolverType = known_ccx_solver_types[solver_type]
-        
+
         obj.addProperty("App::PropertyBool", "BeamShellResultOutput3D", "Fem", "Output 3D results for 1D and 2D anlysis ")
         dimout = ccx_prefs.GetBool("BeamShellOutput", False)
         obj.BeamShellResultOutput3D = dimout