diff --git a/src/Mod/Fem/femobjects/constraint_bodyheatsource.py b/src/Mod/Fem/femobjects/constraint_bodyheatsource.py
index 55df62f475..f4b17fa5ee 100644
--- a/src/Mod/Fem/femobjects/constraint_bodyheatsource.py
+++ b/src/Mod/Fem/femobjects/constraint_bodyheatsource.py
@@ -40,6 +40,8 @@ class ConstraintBodyHeatSource(base_fempythonobject.BaseFemPythonObject):
     def __init__(self, obj):
         super(ConstraintBodyHeatSource, self).__init__(obj)
         self.add_properties(obj)
+        # the constraint does not take any references, thus hide this property
+        obj.setEditorMode("References", 2)
 
     def onDocumentRestored(self, obj):
         self.add_properties(obj)