diff --git a/apps/api/src/controllers/v1/types.ts b/apps/api/src/controllers/v1/types.ts
index dd0faff7..a9449431 100644
--- a/apps/api/src/controllers/v1/types.ts
+++ b/apps/api/src/controllers/v1/types.ts
@@ -454,6 +454,7 @@ export function toLegacyCrawlerOptions(x: CrawlerOptions) {
     allowBackwardCrawling: x.allowBackwardLinks,
     allowExternalContentLinks: x.allowExternalLinks,
     ignoreSitemap: x.ignoreSitemap,
+    deduplicateSimilarURLs: x.deduplicateSimilarURLs,
   };
 }
 
@@ -467,7 +468,7 @@ export function fromLegacyCrawlerOptions(x: any): { crawlOptions: CrawlerOptions
       allowBackwardLinks: x.allowBackwardCrawling,
       allowExternalLinks: x.allowExternalContentLinks,
       ignoreSitemap: x.ignoreSitemap,
-      // TODO: returnOnlyUrls support
+      deduplicateSimilarURLs: x.deduplicateSimilarURLs,
     }),
     internalOptions: {
       v0CrawlOnlyUrls: x.returnOnlyUrls,