diff --git a/src/Mod/Fem/femviewprovider/view_constraint_electrostaticpotential.py b/src/Mod/Fem/femviewprovider/view_constraint_electrostaticpotential.py
index 8835a72953..9589e2ebae 100644
--- a/src/Mod/Fem/femviewprovider/view_constraint_electrostaticpotential.py
+++ b/src/Mod/Fem/femviewprovider/view_constraint_electrostaticpotential.py
@@ -61,8 +61,10 @@ class _TaskPanel(object):
         self._initParamWidget()
         self.form = [self._refWidget, self._paramWidget]
         analysis = obj.getParentGroup()
-        self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
+        self._mesh = None
         self._part = None
+        if analysis is not None:
+            self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
         if self._mesh is not None:
             self._part = femutils.get_part_to_mesh(self._mesh)
         self._partVisible = None
diff --git a/src/Mod/Fem/femviewprovider/view_constraint_flowvelocity.py b/src/Mod/Fem/femviewprovider/view_constraint_flowvelocity.py
index 5ba81a53eb..e187e33ab5 100644
--- a/src/Mod/Fem/femviewprovider/view_constraint_flowvelocity.py
+++ b/src/Mod/Fem/femviewprovider/view_constraint_flowvelocity.py
@@ -62,8 +62,10 @@ class _TaskPanel(object):
         self._initParamWidget()
         self.form = [self._refWidget, self._paramWidget]
         analysis = obj.getParentGroup()
-        self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
+        self._mesh = None
         self._part = None
+        if analysis is not None:
+            self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
         if self._mesh is not None:
             self._part = femutils.get_part_to_mesh(self._mesh)
         self._partVisible = None
diff --git a/src/Mod/Fem/femviewprovider/view_constraint_initialflowvelocity.py b/src/Mod/Fem/femviewprovider/view_constraint_initialflowvelocity.py
index 0772750e7d..f35bd40234 100644
--- a/src/Mod/Fem/femviewprovider/view_constraint_initialflowvelocity.py
+++ b/src/Mod/Fem/femviewprovider/view_constraint_initialflowvelocity.py
@@ -59,8 +59,10 @@ class _TaskPanel(object):
         self._initParamWidget()
         self.form = [self._paramWidget]
         analysis = obj.getParentGroup()
-        self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
+        self._mesh = None
         self._part = None
+        if analysis is not None:
+            self._mesh = membertools.get_single_member(analysis, "Fem::FemMeshObject")
         if self._mesh is not None:
             self._part = femutils.get_part_to_mesh(self._mesh)
         self._partVisible = None