diff --git a/packages/canvas/DesignCanvas/src/api/useCanvas.js b/packages/canvas/DesignCanvas/src/api/useCanvas.js
index 07b1fad6c7..58fac1cdda 100644
--- a/packages/canvas/DesignCanvas/src/api/useCanvas.js
+++ b/packages/canvas/DesignCanvas/src/api/useCanvas.js
@@ -74,7 +74,8 @@ const rootSchema = ref([
 ])
 
 const handleTinyGridColumnsSlots = (node) => {
-  for (const columnItem of node.props?.columns || []) {
+  let columns = Array.isArray(node.props?.columns) ? node.props.columns : []
+  for (const columnItem of columns) {
     if (!columnItem?.slots) {
       continue
     }