diff --git a/src/Mod/Fem/femcommands/commands.py b/src/Mod/Fem/femcommands/commands.py
index ab06364159..2ab1139855 100644
--- a/src/Mod/Fem/femcommands/commands.py
+++ b/src/Mod/Fem/femcommands/commands.py
@@ -954,7 +954,7 @@ class _SolverCalculixContextManager:
         )
         FreeCADGui.doCommand(
             "{}.IterationsControlParameterTimeUse = {}".format(
-                self.cli_name, ccx_prefs.GetInt("UseNonCcxIterationParam", False)
+                self.cli_name, ccx_prefs.GetBool("UseNonCcxIterationParam", False)
             )
         )
         FreeCADGui.doCommand(