diff --git a/packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/actions/SaveFields.svelte b/packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/actions/SaveFields.svelte
index a27acab956..c8e3d5b4d5 100644
--- a/packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/actions/SaveFields.svelte
+++ b/packages/builder/src/components/design/PropertiesPanel/PropertyControls/EventsEditor/actions/SaveFields.svelte
@@ -32,7 +32,7 @@
   // this statement initialises fields from parameters.fields
   $: fields =
     fields ||
-    Object.keys(parameterFields || { "": "" }).map(name => ({
+    Object.keys(parameterFields || {}).map(name => ({
       name,
       value:
         (parameterFields &&