diff --git a/frontend/src/components/nodes/nodeSidebar/NodeSidebar.tsx b/frontend/src/components/nodes/nodeSidebar/NodeSidebar.tsx
index 94a379e4..5691a684 100644
--- a/frontend/src/components/nodes/nodeSidebar/NodeSidebar.tsx
+++ b/frontend/src/components/nodes/nodeSidebar/NodeSidebar.tsx
@@ -298,9 +298,18 @@ const NodeSidebar: React.FC<NodeSidebarProps> = ({ nodeID }) => {
         return incomingNodes.reduce((acc: string[], node) => {
             if (!node) return acc
             const config = allNodeConfigs[node.id]
-            if (config?.output_schema) {
+            if (config?.output_json_schema) {
                 const nodeTitle = config.title || node.id
-                return [...acc, ...Object.keys(config.output_schema).map((key) => `${nodeTitle}.${key}`)]
+                const { schema, error } = extractSchemaFromJsonSchema(config.output_json_schema)
+                if (error) {
+                    console.error('Error parsing output_json_schema:', error)
+                    return acc
+                }
+                if (schema && typeof schema === 'object') {
+                    Object.keys(schema).forEach(key => {
+                        acc.push(`${nodeTitle}.${key}`)
+                    })
+                }
             }
             return acc
         }, [])
@@ -561,9 +570,9 @@ const NodeSidebar: React.FC<NodeSidebarProps> = ({ nodeID }) => {
     // Add useEffect to validate initial schema
     useEffect(() => {
         if (currentNodeConfig?.output_json_schema) {
-            debouncedValidate(currentNodeConfig.output_json_schema);
+            debouncedValidate(currentNodeConfig.output_json_schema)
         }
-    }, [currentNodeConfig?.output_json_schema]);
+    }, [currentNodeConfig?.output_json_schema])
 
     // Update renderField to handle vector index selection
     const renderField = (key: string, field: any, value: any, parentPath: string = '', isLast: boolean = false) => {