diff --git a/src/Mod/Fem/femobjects/constraint_electrostaticpotential.py b/src/Mod/Fem/femobjects/constraint_electrostaticpotential.py
index 0c9e37a748..26ac86f6cf 100644
--- a/src/Mod/Fem/femobjects/constraint_electrostaticpotential.py
+++ b/src/Mod/Fem/femobjects/constraint_electrostaticpotential.py
@@ -232,7 +232,7 @@ class ConstraintElectrostaticPotential(base_fempythonobject.BaseFemPythonObject)
                 name="CapacitanceBody",
                 group="Parameter",
                 doc="Capacitance body",
-                value=0,
+                value=1,
             )
         )
         prop.append(