diff --git a/src/Mod/Fem/femsolver/calculix/tasks.py b/src/Mod/Fem/femsolver/calculix/tasks.py
index 5fe5f5746a..7199f363c0 100644
--- a/src/Mod/Fem/femsolver/calculix/tasks.py
+++ b/src/Mod/Fem/femsolver/calculix/tasks.py
@@ -171,7 +171,7 @@ class _Container(object):
         self.transform_constraints = self.get_several_member('Fem::ConstraintTransform')
 
         for m in self.analysis.Group:
-            if m.isDerivedFrom("Fem::FemMeshObject"):
+            if m.isDerivedFrom("Fem::FemMeshObject") and not FemUtils.is_of_type(m, 'Fem::FemMeshResult'):
                 if not self.mesh:
                     self.mesh = m
                 else:
diff --git a/src/Mod/Fem/femsolver/z88/tasks.py b/src/Mod/Fem/femsolver/z88/tasks.py
index c51f6d7bb6..7abcf41692 100644
--- a/src/Mod/Fem/femsolver/z88/tasks.py
+++ b/src/Mod/Fem/femsolver/z88/tasks.py
@@ -159,7 +159,7 @@ class _Container(object):
         self.transform_constraints = []
 
         for m in self.analysis.Group:
-            if m.isDerivedFrom("Fem::FemMeshObject"):
+            if m.isDerivedFrom("Fem::FemMeshObject") and not FemUtils.is_of_type(m, 'Fem::FemMeshResult'):
                 if not self.mesh:
                     self.mesh = m
                 else:
diff --git a/src/Mod/Fem/femtools/ccxtools.py b/src/Mod/Fem/femtools/ccxtools.py
index 1551479fbf..9753419310 100644
--- a/src/Mod/Fem/femtools/ccxtools.py
+++ b/src/Mod/Fem/femtools/ccxtools.py
@@ -216,7 +216,7 @@ class FemToolsCcx(QtCore.QRunnable, QtCore.QObject):
         self.transform_constraints = self._get_several_member('Fem::ConstraintTransform')
 
         for m in self.analysis.Group:
-            if m.isDerivedFrom("Fem::FemMeshObject"):
+            if m.isDerivedFrom("Fem::FemMeshObject") and not femutils.is_of_type(m, 'Fem::FemMeshResult'):
                 if not self.mesh:
                     self.mesh = m
                 else: