diff --git a/api/core/rag/extractor/watercrawl/provider.py b/api/core/rag/extractor/watercrawl/provider.py
index b8003b386b..21fbb2100f 100644
--- a/api/core/rag/extractor/watercrawl/provider.py
+++ b/api/core/rag/extractor/watercrawl/provider.py
@@ -20,7 +20,7 @@ class WaterCrawlProvider:
         }
         if options.get("crawl_sub_pages", True):
             spider_options["page_limit"] = options.get("limit", 1)
-            spider_options["max_depth"] = options.get("depth", 1)
+            spider_options["max_depth"] = options.get("max_depth", 1)
             spider_options["include_paths"] = options.get("includes", "").split(",") if options.get("includes") else []
             spider_options["exclude_paths"] = options.get("excludes", "").split(",") if options.get("excludes") else []