diff --git a/apps/sim/executor/variables/resolvers/block.ts b/apps/sim/executor/variables/resolvers/block.ts
index b3451aad6..4b27cf1bb 100644
--- a/apps/sim/executor/variables/resolvers/block.ts
+++ b/apps/sim/executor/variables/resolvers/block.ts
@@ -159,9 +159,12 @@ export class BlockResolver implements Resolver {
 
     if (blockType === 'response') {
       if (typeof value === 'string') {
+        return value
+      }
+      if (Array.isArray(value) || (typeof value === 'object' && value !== null)) {
         return JSON.stringify(value)
       }
-      return value
+      return String(value)
     }
 
     if (typeof value === 'object' && value !== null) {