diff --git a/src/Mod/Fem/femsolver/solver_taskpanel.py b/src/Mod/Fem/femsolver/solver_taskpanel.py
index f64ee9c522..3449186a28 100644
--- a/src/Mod/Fem/femsolver/solver_taskpanel.py
+++ b/src/Mod/Fem/femsolver/solver_taskpanel.py
@@ -340,7 +340,7 @@ class ControlWidget(QtGui.QWidget):
             self._writeBtt.setDisabled(False)
             self._editBtt.setDisabled(
                 not machine.solver.Proxy.editSupported()
-                or machine.state < femsolver.run.PREPARE
+                or machine.state <= femsolver.run.PREPARE
             )
 
 ##  @}