diff --git a/packages/client/src/components/app/blocks/form/FormBlock.svelte b/packages/client/src/components/app/blocks/form/FormBlock.svelte
index 2a0c622750..22f21b5790 100644
--- a/packages/client/src/components/app/blocks/form/FormBlock.svelte
+++ b/packages/client/src/components/app/blocks/form/FormBlock.svelte
@@ -27,10 +27,10 @@
   export let buttonsCollapsedText: string
 
   // Legacy
-  export let showDeleteButton
-  export let showSaveButton
-  export let saveButtonLabel
-  export let deleteButtonLabel
+  export let showDeleteButton: boolean
+  export let showSaveButton: boolean
+  export let saveButtonLabel: boolean
+  export let deleteButtonLabel: boolean
 
   const { fetchDatasourceSchema, generateGoldenSample } = getContext<SDK>("sdk")
   const component = getContext<Component>("component")