diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
index 6f436e9d4c..6b32ff1bf7 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
@@ -66,6 +66,7 @@ const props = withDefaults(
 		},
 	},
 );
+props.value.children ??= [];
 
 const getPageBlockList = inject<(any) => any>("getPageBlockList");
 
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
index d4b28e13cb..476b2340ea 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
@@ -40,6 +40,7 @@ const props = withDefaults(
 		},
 	},
 );
+props.value.children ??= [];
 
 const getPageBlockList = inject<(any) => any>("getPageBlockList");