diff --git a/src/Mod/Fem/PyGui/_CommandFemSolverRun.py b/src/Mod/Fem/PyGui/_CommandFemSolverRun.py
index 0c7d41f53d..de59c41956 100644
--- a/src/Mod/Fem/PyGui/_CommandFemSolverRun.py
+++ b/src/Mod/Fem/PyGui/_CommandFemSolverRun.py
@@ -31,7 +31,6 @@ from .FemCommands import FemCommands
 import FreeCADGui
 from PySide import QtCore, QtGui
 import femsolver.run
-import FemUtils
 
 
 class _CommandFemSolverRun(FemCommands):
@@ -52,13 +51,7 @@ class _CommandFemSolverRun(FemCommands):
                 print ("CalculiX failed ccx finished with error {}".format(ret_code))
 
         self.solver = FreeCADGui.Selection.getSelection()[0]  # see 'with_solver' in FemCommands for selection check
-        if FemUtils.isDerivedFrom(self.solver, "Fem::FemSolverObjectZ88"):
-            self._newActivated()
-        elif FemUtils.isDerivedFrom(self.solver, "Fem::FemSolverObjectElmer"):
-            self._newActivated()
-        elif FemUtils.isDerivedFrom(self.solver, "Fem::FemSolverObjectCalculix"):
-            self._newActivated()
-        elif self.solver.SolverType == "FemSolverCalculix":
+        if hasattr(self.solver, "SolverType") and self.solver.SolverType == "FemSolverCalculix":
             import FemToolsCcx
             self.fea = FemToolsCcx.FemToolsCcx(None, self.solver)
             self.fea.reset_mesh_purge_results_checked()
@@ -69,13 +62,8 @@ class _CommandFemSolverRun(FemCommands):
             self.fea.finished.connect(load_results)
             QtCore.QThreadPool.globalInstance().start(self.fea)
         else:
-            QtGui.QMessageBox.critical(None, "Not known solver type", message)
-
-    def _newActivated(self):
-        solver = self._getSelectedSolver()
-        if solver is not None:
             try:
-                machine = femsolver.run.getMachine(solver)
+                machine = femsolver.run.getMachine(self.solver)
             except femsolver.run.MustSaveError:
                 QtGui.QMessageBox.critical(
                     FreeCADGui.getMainWindow(),
@@ -95,11 +83,7 @@ class _CommandFemSolverRun(FemCommands):
                 machine.target = femsolver.run.RESULTS
                 machine.start()
 
-    def _getSelectedSolver(self):
-        sel = FreeCADGui.Selection.getSelection()
-        if len(sel) == 1 and sel[0].isDerivedFrom("Fem::FemSolverObjectPython"):
-            return sel[0]
-        return None
+        FreeCADGui.Selection.clearSelection()
 
 
 FreeCADGui.addCommand('FEM_SolverRun', _CommandFemSolverRun())