diff --git a/packages/builder/src/components/design/PropertiesPanel/BindingPanel.svelte b/packages/builder/src/components/design/PropertiesPanel/BindingPanel.svelte
index 6ab2504077..612dc9caa5 100644
--- a/packages/builder/src/components/design/PropertiesPanel/BindingPanel.svelte
+++ b/packages/builder/src/components/design/PropertiesPanel/BindingPanel.svelte
@@ -9,7 +9,7 @@
   export let bindingDrawer
 
   function addToText(readableBinding) {
-    value = value + `{{ ${readableBinding} }}`
+    value = `${value || ""}{{ ${readableBinding} }}`
   }
   let originalValue = value