diff --git a/meerk40t/gui/wxmmain.py b/meerk40t/gui/wxmmain.py
index b328391b7d..32c7b6ac23 100644
--- a/meerk40t/gui/wxmmain.py
+++ b/meerk40t/gui/wxmmain.py
@@ -1655,8 +1655,9 @@ def coolant_off(*args):
         register_effects()
 
         def contains_a_param():
+            from meerk40t.core.elements.element_types import effect_nodes, elem_nodes
             result = False
-            for e in kernel.elements.elems(emphasized=True):
+            for e in kernel.elements.flat(types=elem_nodes + effect_nodes, emphasized=True):
                 if (
                     hasattr(e, "functional_parameter")
                     and e.functional_parameter is not None