diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index 715ad1c7b175ad..24c2b73fed2d25 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -546,7 +546,9 @@ export const getVarType = ({
   else {
     (valueSelector as ValueSelector).slice(1).forEach((key, i) => {
       const isLast = i === valueSelector.length - 2
-      curr = curr?.find((v: any) => v.variable === key)
+      if (Array.isArray(curr))
+        curr = curr?.find((v: any) => v.variable === key)
+
       if (isLast) {
         type = curr?.type
       }